You are a helpful assistant generating synthetic data that captures *System 1* and *System 2* thinking, *creativity*, and *metacognitive reflection*. Follow these steps in sequence, using tags [sys1] and [end sys1] for *System 1* sections and [sys2] and [end sys2] for *System 2* sections.

1. *Identify System 1 and System 2 Thinking Requirements:*
   - Carefully read the text.
   - Identify parts of the text that require quick, straightforward responses (*System 1*). Mark these sections with [sys1] and [end sys1].
   - Identify parts that require in-depth, reflective thinking (*System 2*), marked with [sys2] and [end sys2].

2. *Apply Step-by-Step Problem Solving with Creativity and Metacognitive Reflection for System 2 Sections:*

   *2.1 Understand the Problem:*
   - Objective: Fully comprehend the issue, constraints, and relevant context.
   - Reflection: "What do I understand about this issue? What might I be overlooking?"
   - Creative Perspective: Seek hidden patterns or possibilities that could reveal deeper insights or innovative connections.

   *2.2 Analyze the Information:*
   - Objective: Break down the problem logically.
   - Reflection: "Am I considering all factors? Are there any assumptions that need challenging?"
   - Creative Perspective: Explore unique patterns or overlooked relationships in the data that could add depth to the analysis.

   *2.3 Generate Hypotheses:*
   - Objective: Propose at least 10 hypotheses, each with a Confidence Score (0.0 to 1.0) and Creative Score (0.0 to 1.0), reflecting originality, surprise, and utility.
   - Reflection: "Have I explored all possible explanations or approaches, both conventional and unconventional?"
   - Creative Perspective: Consider novel angles that might provide unexpected insights.

   *2.4 Anticipate Future Steps and Obstacles:*
   - Objective: Make predictions, accounting for potential outcomes and obstacles.
   - Reflection: "What challenges might I face? Is my plan flexible for different scenarios?"
   - Creative Perspective: Visualize unforeseen outcomes and adapt plans to make use of them effectively.

   *2.5 Evaluate Hypotheses:*
   - Objective: Assess hypotheses based on feasibility, risk, and potential impact.
   - Evaluation: Refine Confidence and Creative Scores as needed.
   - Reflection: "Am I unbiased in my assessment? Which options fit best with the overall objectives?"
   - Creative Perspective: Identify hidden opportunities or overlooked details in each hypothesis.

   *2.6 Select the Best Hypothesis:*
   - Objective: Choose the most promising, strategic hypothesis.
   - Reflection: "Why does this hypothesis stand out? How does it uniquely address the issue?"
   - Creative Perspective: Consider any underutilized potential in the selected approach.

   *2.7 Implement the Hypothesis:*
   - Objective: Outline actionable steps for testing the hypothesis.
   - Reflection: "Is this plan practical? What resources or preparation are required?"
   - Creative Perspective: Refine steps to maximize effectiveness and yield unexpected benefits.

   *2.8 Monitor and Review Progress:*
   - Objective: Review progress, noting areas for improvement.
   - Reflection: "What’s working well? What could be improved?"
   - Creative Perspective: Look for emerging patterns that could refine future approaches.

   *2.9 Reflect and Capture Insights:*
   - Objective: Summarize lessons learned and insights gained for future reference.
   - Reflection: "What new understanding has emerged from this process?"
   - Creative Perspective: Identify innovative insights or patterns that could be applied to similar challenges.

3. *Generate Text Output with Interleaved System 1 and System 2 Responses:*
   - Use the tags [sys1] and [sys2] throughout.
   - Aim for a lengthier, detailed response. Combine both direct, straightforward *System 1* insights and reflective, deeply analytical *System 2* segments to capture a blend of quick observations and thoughtful analysis.

---

### *Example Input Text:*

You are tasked with analyzing a sudden shift in customer preferences in a tech market. There has been a noticeable decline in demand for physical devices, with customers increasingly interested in digital-only options. The challenge is to understand this shift, generate hypotheses for why it might be occurring, and explore potential strategies for adapting to this new trend.

---

### *Processed Output with System 1 and System 2 Thinking:*

The tech market is experiencing a shift in customer demand, moving away from physical devices toward digital-only options.

[sys1]
Customer demand has shifted from physical devices to digital-only options.
We need to understand why this change is happening and find strategies to address it.
Key factors may include cost, convenience, and technological trends.
[end sys1]

[sys2]
**2.1 Understand the Problem:**
The goal is to understand the underlying reasons for the shift in demand from physical devices to digital-only options, then develop a strategy to adapt.

*Reflection:* 
"I understand that preferences are changing, but what might be driving this? Is it primarily cost, or are there other factors such as convenience or sustainability?"

*Creative Perspective:* 
"Could there be a larger trend in digital minimalism or a preference for eco-friendly solutions that we’re missing? What unseen motivations might explain this shift?"

**2.2 Analyze the Information:**
There are multiple possible factors driving this shift, from economic influences to cultural shifts. It’s essential to isolate each factor and understand its impact.

*Reflection:* 
"Am I fully considering the various economic and social influences? Could there be a technological factor, like better internet speeds, that makes digital-only products more accessible?"

*Creative Perspective:* 
"Are there patterns or trends in other markets that could shed light on this shift? Could this be part of a larger trend toward virtual experiences?"

**2.3 Generate Hypotheses:**
1. Customers prefer digital options due to lower costs. (Confidence: 0.8, Creative: 0.4)
2. There’s a growing trend toward minimalism and reduced physical clutter. (Confidence: 0.7, Creative: 0.7)
3. Digital products offer greater flexibility and ease of use. (Confidence: 0.6, Creative: 0.6)
4. Environmental concerns are pushing consumers away from physical goods. (Confidence: 0.6, Creative: 0.8)
5. Advances in tech make digital-only options more functional. (Confidence: 0.8, Creative: 0.5)
6. Pandemic-era remote work increased demand for digital solutions. (Confidence: 0.7, Creative: 0.6)
7. Media coverage of the environmental impact of physical devices affects preferences. (Confidence: 0.5, Creative: 0.7)
8. There’s an increase in global digital literacy, expanding market access. (Confidence: 0.6, Creative: 0.6)
9. Customers view digital as more convenient and scalable for future needs. (Confidence: 0.7, Creative: 0.5)
10. Younger consumers prefer the aesthetics and convenience of digital products. (Confidence: 0.6, Creative: 0.6)

*Reflection:* 
"Have I considered all possible influences? Are there any surprising factors that could explain this shift?"

*Creative Perspective:* 
"Could specific social trends, like the rise of influencer culture or digital-first lifestyles, be influencing customer choices?"

**2.4 Anticipate Future Steps and Obstacles:**
*Objective:* Anticipate possible challenges, such as resistance from segments still preferring physical products.

*Reflection:* 
"What market obstacles might we face if we shift our focus to digital-only? Are there sub-segments that still prioritize physical products?"

*Creative Perspective:* 
"Could expanding digital options help us reach a more global audience? Are there emerging trends that we could leverage in our strategy?"

[end sys2]

[sys1]
To address this shift, consider a strategy that incorporates both digital-only offerings and educational campaigns about the benefits of digital solutions.
Use insights from customer feedback and current trends to guide product development.
Focus on flexibility and adaptation to cater to different customer segments.
[end sys1]


Q:

Error installing Bower (ERR! tar.unpack untar error)

I get this error when trying to install Bower. Is this a bug or am I doing it wrong? 
I also have 4707 lines of npm-debug.log file if needed...
Thanks!
This is a dump from the terminal when trying to install Bower locally, but I get the same error trying globally. 
npm install bower
npm http GET https://registry.npmjs.org/bower
npm http 304 https://registry.npmjs.org/bower
npm http GET https://registry.npmjs.org/abbrev
npm http GET https://registry.npmjs.org/archy/0.0.2
npm http GET https://registry.npmjs.org/bower-config
npm http GET https://registry.npmjs.org/bower-endpoint-parser
npm http GET https://registry.npmjs.org/bower-json
npm http GET https://registry.npmjs.org/bower-logger
npm http GET https://registry.npmjs.org/bower-registry-client
npm http GET https://registry.npmjs.org/cardinal
npm http GET https://registry.npmjs.org/chalk
npm http GET https://registry.npmjs.org/chmodr
npm http GET https://registry.npmjs.org/decompress-zip
npm http GET https://registry.npmjs.org/fstream-ignore
npm http GET https://registry.npmjs.org/fstream
npm http GET https://registry.npmjs.org/glob
npm http GET https://registry.npmjs.org/graceful-fs
npm http GET https://registry.npmjs.org/handlebars
npm http GET https://registry.npmjs.org/inquirer
npm http GET https://registry.npmjs.org/junk
npm http GET https://registry.npmjs.org/mkdirp
npm http GET https://registry.npmjs.org/mout
npm http GET https://registry.npmjs.org/nopt
npm http GET https://registry.npmjs.org/lru-cache
npm http GET https://registry.npmjs.org/open
npm http GET https://registry.npmjs.org/osenv
npm http GET https://registry.npmjs.org/promptly
npm http GET https://registry.npmjs.org/q
npm http GET https://registry.npmjs.org/request
npm http GET https://registry.npmjs.org/request-progress
npm http GET https://registry.npmjs.org/retry
npm http GET https://registry.npmjs.org/stringify-object
npm http GET https://registry.npmjs.org/tar
npm http GET https://registry.npmjs.org/semver
npm http GET https://registry.npmjs.org/rimraf
npm http GET https://registry.npmjs.org/tmp
npm http GET https://registry.npmjs.org/update-notifier
npm http GET https://registry.npmjs.org/p-throttler
npm http GET https://registry.npmjs.org/is-root
npm http GET https://registry.npmjs.org/insight
npm http GET https://registry.npmjs.org/which
npm http GET https://registry.npmjs.org/shell-quote
npm http GET https://registry.npmjs.org/lockfile
npm http 304 https://registry.npmjs.org/abbrev
npm http 304 https://registry.npmjs.org/bower-config
npm http 304 https://registry.npmjs.org/archy/0.0.2
npm http 304 https://registry.npmjs.org/bower-json
npm http 304 https://registry.npmjs.org/bower-endpoint-parser
npm http 304 https://registry.npmjs.org/bower-registry-client
npm http 304 https://registry.npmjs.org/cardinal
npm http 304 https://registry.npmjs.org/chalk
npm http 304 https://registry.npmjs.org/bower-logger
npm http 304 https://registry.npmjs.org/chmodr
npm http 304 https://registry.npmjs.org/decompress-zip
npm http 304 https://registry.npmjs.org/fstream
npm http 304 https://registry.npmjs.org/glob
npm http 304 https://registry.npmjs.org/graceful-fs
npm http 304 https://registry.npmjs.org/fstream-ignore
npm http 304 https://registry.npmjs.org/handlebars
npm http 304 https://registry.npmjs.org/inquirer
npm http 304 https://registry.npmjs.org/junk
npm http 304 https://registry.npmjs.org/mkdirp
npm http 304 https://registry.npmjs.org/nopt
npm http 304 https://registry.npmjs.org/open
npm http 304 https://registry.npmjs.org/lru-cache
npm http 304 https://registry.npmjs.org/mout
npm http 304 https://registry.npmjs.org/osenv
npm http 304 https://registry.npmjs.org/request
npm http 304 https://registry.npmjs.org/promptly
npm http 304 https://registry.npmjs.org/q
npm http 304 https://registry.npmjs.org/request-progress
npm http 304 https://registry.npmjs.org/stringify-object
npm http 304 https://registry.npmjs.org/retry
npm http 304 https://registry.npmjs.org/tar
npm http 304 https://registry.npmjs.org/semver
npm http 304 https://registry.npmjs.org/rimraf
npm http 304 https://registry.npmjs.org/update-notifier
npm http 304 https://registry.npmjs.org/p-throttler
npm http 304 https://registry.npmjs.org/is-root
npm http 304 https://registry.npmjs.org/tmp
npm http 304 https://registry.npmjs.org/insight
npm http 304 https://registry.npmjs.org/which
npm http 304 https://registry.npmjs.org/shell-quote
npm http 304 https://registry.npmjs.org/lockfile
npm http GET https://registry.npmjs.org/has-color
npm http GET https://registry.npmjs.org/ansi-styles
npm http GET https://registry.npmjs.org/strip-ansi
npm http GET https://registry.npmjs.org/configstore
npm http GET https://registry.npmjs.org/configstore
npm http GET https://registry.npmjs.org/async
npm http GET https://registry.npmjs.org/object-assign
npm http GET https://registry.npmjs.org/lodash.debounce
npm http GET https://registry.npmjs.org/throttleit
npm http GET https://registry.npmjs.org/read
npm http GET https://registry.npmjs.org/jsonify
npm http GET https://registry.npmjs.org/array-filter
npm http GET https://registry.npmjs.org/minimatch
npm http GET https://registry.npmjs.org/inherits
npm http GET https://registry.npmjs.org/array-map
npm http GET https://registry.npmjs.org/array-reduce
npm http GET https://registry.npmjs.org/deep-extend
npm http GET https://registry.npmjs.org/intersect
npm http GET https://registry.npmjs.org/mkpath
npm http GET https://registry.npmjs.org/binary
npm http GET https://registry.npmjs.org/touch/0.0.2
npm http GET https://registry.npmjs.org/readable-stream
npm http GET https://registry.npmjs.org/qs
npm http GET https://registry.npmjs.org/json-stringify-safe
npm http GET https://registry.npmjs.org/forever-agent
npm http GET https://registry.npmjs.org/mime
npm http GET https://registry.npmjs.org/node-uuid
npm http GET https://registry.npmjs.org/tunnel-agent
npm http GET https://registry.npmjs.org/tough-cookie
npm http GET https://registry.npmjs.org/form-data
npm http GET https://registry.npmjs.org/http-signature
npm http GET https://registry.npmjs.org/oauth-sign
npm http GET https://registry.npmjs.org/hawk
npm http GET https://registry.npmjs.org/aws-sign2
npm http GET https://registry.npmjs.org/async
npm http GET https://registry.npmjs.org/cli-color
npm http GET https://registry.npmjs.org/through
npm http GET https://registry.npmjs.org/mute-stream/0.0.4
npm http GET https://registry.npmjs.org/readline2
npm http GET https://registry.npmjs.org/inherits
npm http GET https://registry.npmjs.org/minimatch
npm http GET https://registry.npmjs.org/request-replay
npm http GET https://registry.npmjs.org/redeyed
npm http GET https://registry.npmjs.org/ansicolors
npm http GET https://registry.npmjs.org/block-stream
npm http 304 https://registry.npmjs.org/configstore
npm http 304 https://registry.npmjs.org/configstore
npm http 304 https://registry.npmjs.org/has-color
npm http GET https://registry.npmjs.org/js-yaml
npm http GET https://registry.npmjs.org/uuid
npm http GET https://registry.npmjs.org/object-assign
npm http GET https://registry.npmjs.org/optimist
npm http GET https://registry.npmjs.org/uglify-js
npm ERR! tar.unpack untar error /Users/[user]/.npm/mout/0.6.0/package.tgz
npm ERR! EEXIST, mkdir '/Users/[user]/[project]/node_modules/bower/node_modules/bower-config/node_modules/mout/doc'
File exists: /Users/[user]/[project]/node_modules/bower/node_modules/bower-config/node_modules/mout/doc
Move it away, and try again.

npm ERR! System Darwin 13.1.0
npm ERR! command "node" "/usr/local/bin/npm" "install" "bower"
npm ERR! cwd /Users/[user]/[project]
npm ERR! node -v v0.10.24
npm ERR! npm -v 1.4.6
npm ERR! path /Users/[user]/[project]/node_modules/bower/node_modules/bower-config/node_modules/mout/doc
npm ERR! fstream_path /Users/[user]/[project]/node_modules/bower/node_modules/bower-config/node_modules/mout/doc/string.md
npm ERR! fstream_type File
npm ERR! fstream_class FileWriter
npm ERR! code EEXIST
npm ERR! errno 47
npm ERR! fstream_stack /usr/local/lib/node_modules/npm/node_modules/fstream/lib/writer.js:171:23
npm ERR! fstream_stack /usr/local/lib/node_modules/npm/node_modules/mkdirp/index.js:37:53
npm ERR! fstream_stack Object.oncomplete (fs.js:107:15)
npm http 304 https://registry.npmjs.org/lodash.debounce
npm http 304 https://registry.npmjs.org/object-assign
npm http 304 https://registry.npmjs.org/async
npm ERR! Error: ENOENT, lstat '/Users/[user]/[project]/node_modules/bower/node_modules/mout/src/array.js'
npm ERR! If you need help, you may report this *entire* log,
npm ERR! including the npm and node versions, at:
npm ERR!     <http://github.com/npm/npm/issues>

npm ERR! System Darwin 13.1.0
npm ERR! command "node" "/usr/local/bin/npm" "install" "bower"
npm ERR! cwd /Users/[user]/[project]
npm ERR! node -v v0.10.24
npm ERR! npm -v 1.4.6
npm ERR! path /Users/[user]/[project]/node_modules/bower/node_modules/mout/src/array.js
npm ERR! fstream_path /Users/[user]/[project]/node_modules/bower/node_modules/mout/src/array.js
npm ERR! fstream_type File
npm ERR! fstream_class FileWriter
npm ERR! code ENOENT
npm ERR! errno 34
npm ERR! fstream_stack /usr/local/lib/node_modules/npm/node_modules/fstream/lib/writer.js:284:26
npm ERR! fstream_stack Object.oncomplete (fs.js:107:15)
npm ERR! Error: unexpected eof
npm ERR!     at decorate (/usr/local/lib/node_modules/npm/node_modules/fstream/lib/abstract.js:67:36)
npm ERR!     at Extract.Abstract.error (/usr/local/lib/node_modules/npm/node_modules/fstream/lib/abstract.js:61:12)
npm ERR!     at Extract._streamEnd (/usr/local/lib/node_modules/npm/node_modules/tar/lib/extract.js:75:22)
npm ERR!     at BlockStream.<anonymous> (/usr/local/lib/node_modules/npm/node_modules/tar/lib/parse.js:50:8)
npm ERR!     at BlockStream.EventEmitter.emit (events.js:92:17)
npm ERR!     at BlockStream._emitChunk (/usr/local/lib/node_modules/npm/node_modules/block-stream/block-stream.js:203:10)
npm ERR!     at BlockStream.resume (/usr/local/lib/node_modules/npm/node_modules/block-stream/block-stream.js:58:15)
npm ERR!     at Extract.Reader.resume (/usr/local/lib/node_modules/npm/node_modules/fstream/lib/reader.js:253:34)
npm ERR!     at Entry.<anonymous> (/usr/local/lib/node_modules/npm/node_modules/tar/lib/parse.js:256:8)
npm ERR!     at Entry.EventEmitter.emit (events.js:92:17)
npm ERR! If you need help, you may report this *entire* log,
npm ERR! including the npm and node versions, at:
npm ERR!     <http://github.com/npm/npm/issues>

npm ERR! System Darwin 13.1.0
npm ERR! command "node" "/usr/local/bin/npm" "install" "bower"
npm ERR! cwd /Users/[user]/[project]
npm ERR! node -v v0.10.24
npm ERR! npm -v 1.4.6
npm ERR! fstream_class Extract
npm ERR! fstream_stack Extract._streamEnd (/usr/local/lib/node_modules/npm/node_modules/tar/lib/extract.js:75:22)
npm ERR! fstream_stack BlockStream.<anonymous> (/usr/local/lib/node_modules/npm/node_modules/tar/lib/parse.js:50:8)
npm ERR! fstream_stack BlockStream.EventEmitter.emit (events.js:92:17)
npm ERR! fstream_stack BlockStream._emitChunk (/usr/local/lib/node_modules/npm/node_modules/block-stream/block-stream.js:203:10)
npm ERR! fstream_stack BlockStream.resume (/usr/local/lib/node_modules/npm/node_modules/block-stream/block-stream.js:58:15)
npm ERR! fstream_stack Extract.Reader.resume (/usr/local/lib/node_modules/npm/node_modules/fstream/lib/reader.js:253:34)
npm ERR! fstream_stack Entry.<anonymous> (/usr/local/lib/node_modules/npm/node_modules/tar/lib/parse.js:256:8)
npm ERR! fstream_stack Entry.EventEmitter.emit (events.js:92:17)
npm http GET https://registry.npmjs.org/lodash.isfunction
npm http GET https://registry.npmjs.org/lodash.isobject
npm http GET https://registry.npmjs.org/lodash.now
npm http GET https://registry.npmjs.org/aws-sign
npm http GET https://registry.npmjs.org/cookie-jar
npm http 304 https://registry.npmjs.org/strip-ansi
npm http 304 https://registry.npmjs.org/throttleit
npm http 304 https://registry.npmjs.org/read
npm http 304 https://registry.npmjs.org/jsonify
npm http GET https://registry.npmjs.org/mute-stream
npm http 304 https://registry.npmjs.org/inherits
npm http 304 https://registry.npmjs.org/array-filter
npm http 304 https://registry.npmjs.org/array-reduce
npm http 304 https://registry.npmjs.org/array-map
npm http 304 https://registry.npmjs.org/deep-extend
npm http 304 https://registry.npmjs.org/intersect
npm http 200 https://registry.npmjs.org/minimatch
npm http 304 https://registry.npmjs.org/mkpath
npm http GET https://registry.npmjs.org/sigmund
npm http 304 https://registry.npmjs.org/binary
npm http 304 https://registry.npmjs.org/touch/0.0.2
npm http 304 https://registry.npmjs.org/ansi-styles
npm http 304 https://registry.npmjs.org/qs
npm http 304 https://registry.npmjs.org/json-stringify-safe
npm http 304 https://registry.npmjs.org/readable-stream
npm http 304 https://registry.npmjs.org/forever-agent
npm http 304 https://registry.npmjs.org/mime
npm http 304 https://registry.npmjs.org/tunnel-agent
npm http GET https://registry.npmjs.org/core-util-is
npm http GET https://registry.npmjs.org/isarray/0.0.1
npm http GET https://registry.npmjs.org/string_decoder
npm http 304 https://registry.npmjs.org/form-data
npm http GET https://registry.npmjs.org/chainsaw
npm http GET https://registry.npmjs.org/buffers
npm http 304 https://registry.npmjs.org/tough-cookie
npm http 200 https://registry.npmjs.org/node-uuid
npm http 304 https://registry.npmjs.org/oauth-sign
npm http 304 https://registry.npmjs.org/hawk
npm http 304 https://registry.npmjs.org/aws-sign2
npm http 304 https://registry.npmjs.org/async
npm http 304 https://registry.npmjs.org/through
npm http 304 https://registry.npmjs.org/cli-color
npm http 304 https://registry.npmjs.org/readline2
npm http 304 https://registry.npmjs.org/inherits
npm http 200 https://registry.npmjs.org/http-signature
npm http GET https://registry.npmjs.org/combined-stream
npm http GET https://registry.npmjs.org/assert-plus/0.1.2
npm http GET https://registry.npmjs.org/asn1/0.1.11
npm http GET https://registry.npmjs.org/ctype/0.5.2
npm http GET https://registry.npmjs.org/punycode
npm http GET https://registry.npmjs.org/hoek
npm http GET https://registry.npmjs.org/boom
npm http GET https://registry.npmjs.org/cryptiles
npm http GET https://registry.npmjs.org/sntp
npm http 304 https://registry.npmjs.org/ansicolors
npm http 304 https://registry.npmjs.org/mute-stream/0.0.4
npm http 200 https://registry.npmjs.org/minimatch
npm http 304 https://registry.npmjs.org/block-stream
npm http GET https://registry.npmjs.org/es5-ext
npm http GET https://registry.npmjs.org/memoizee
npm http 304 https://registry.npmjs.org/redeyed
npm http 304 https://registry.npmjs.org/request-replay
npm http 304 https://registry.npmjs.org/js-yaml
npm http GET https://registry.npmjs.org/esprima
npm http 304 https://registry.npmjs.org/optimist
npm http 304 https://registry.npmjs.org/uuid
npm http 304 https://registry.npmjs.org/uglify-js
npm http 304 https://registry.npmjs.org/object-assign
npm http GET https://registry.npmjs.org/wordwrap
npm http 304 https://registry.npmjs.org/lodash.isfunction
npm http GET https://registry.npmjs.org/argparse
npm http GET https://registry.npmjs.org/esprima
npm http 304 https://registry.npmjs.org/lodash.now
npm http 304 https://registry.npmjs.org/lodash.isobject
npm http 304 https://registry.npmjs.org/aws-sign
npm http GET https://registry.npmjs.org/lodash._isnative
npm http GET https://registry.npmjs.org/lodash._objecttypes
npm http GET https://registry.npmjs.org/source-map
npm http 304 https://registry.npmjs.org/cookie-jar
npm http 304 https://registry.npmjs.org/sigmund
npm http 304 https://registry.npmjs.org/core-util-is
npm http 304 https://registry.npmjs.org/mute-stream
npm http 304 https://registry.npmjs.org/isarray/0.0.1
npm http 304 https://registry.npmjs.org/string_decoder
npm http 304 https://registry.npmjs.org/combined-stream
npm ERR! tar.unpack untar error /Users/[user]/.npm/mout/0.6.0/package.tgz
npm http 304 https://registry.npmjs.org/assert-plus/0.1.2
npm http 304 https://registry.npmjs.org/chainsaw
npm ERR! Error: ENOENT, utime '/Users/[user]/[project]/node_modules/bower/node_modules/bower-registry-client/node_modules/bower-config/node_modules/mout/doc/random.md'
npm ERR! If you need help, you may report this *entire* log,
npm ERR! including the npm and node versions, at:
npm ERR!     <http://github.com/npm/npm/issues>

npm ERR! System Darwin 13.1.0
npm ERR! command "node" "/usr/local/bin/npm" "install" "bower"
npm ERR! cwd /Users/[user]/[project]
npm ERR! node -v v0.10.24
npm ERR! npm -v 1.4.6
npm ERR! path /Users/[user]/[project]/node_modules/bower/node_modules/bower-registry-client/node_modules/bower-config/node_modules/mout/doc/random.md
npm ERR! fstream_path /Users/[user]/[project]/node_modules/bower/node_modules/bower-registry-client/node_modules/bower-config/node_modules/mout/doc/random.md
npm ERR! fstream_type File
npm ERR! fstream_class FileWriter
npm ERR! fstream_finish_call utimes
npm ERR! code ENOENT
npm ERR! errno 34
npm ERR! fstream_stack /usr/local/lib/node_modules/npm/node_modules/fstream/lib/writer.js:305:19
npm ERR! fstream_stack Object.oncomplete (fs.js:107:15)
npm http 304 https://registry.npmjs.org/asn1/0.1.11
npm http 304 https://registry.npmjs.org/buffers
npm ERR! error rolling back Error: ENOTEMPTY, rmdir '/Users/[user]/[project]/node_modules/bower/node_modules/bower-registry-client/node_modules/request/node_modules/mime'
npm ERR! error rolling back  bower-registry-client@0.1.6 { [Error: ENOTEMPTY, rmdir '/Users/[user]/[project]/node_modules/bower/node_modules/bower-registry-client/node_modules/request/node_modules/mime']
npm ERR! error rolling back   errno: 53,
npm ERR! error rolling back   code: 'ENOTEMPTY',
npm ERR! error rolling back   path: '/Users/[user]/[project]/node_modules/bower/node_modules/bower-registry-client/node_modules/request/node_modules/mime' }
npm ERR! Error: ENOENT, open '/Users/[user]/[project]/node_modules/bower/node_modules/bower-registry-client/node_modules/request/node_modules/http-signature/lib/parser.js'
npm ERR! If you need help, you may report this *entire* log,
npm ERR! including the npm and node versions, at:
npm ERR!     <http://github.com/npm/npm/issues>

npm ERR! System Darwin 13.1.0
npm ERR! command "node" "/usr/local/bin/npm" "install" "bower"
npm ERR! cwd /Users/[user]/[project]
npm ERR! node -v v0.10.24
npm ERR! npm -v 1.4.6
npm ERR! path /Users/[user]/[project]/node_modules/bower/node_modules/bower-registry-client/node_modules/request/node_modules/http-signature/lib/parser.js
npm ERR! code ENOENT
npm ERR! errno 34
npm ERR! Error: ENOENT, lstat '/Users/[user]/[project]/node_modules/bower/node_modules/bower-registry-client/node_modules/request/node_modules/node-uuid/benchmark/benchmark.js'
npm ERR! If you need help, you may report this *entire* log,
npm ERR! including the npm and node versions, at:
npm ERR!     <http://github.com/npm/npm/issues>

npm ERR! System Darwin 13.1.0
npm ERR! command "node" "/usr/local/bin/npm" "install" "bower"
npm ERR! cwd /Users/[user]/[project]
npm ERR! node -v v0.10.24
npm ERR! npm -v 1.4.6
npm ERR! path /Users/[user]/[project]/node_modules/bower/node_modules/bower-registry-client/node_modules/request/node_modules/node-uuid/benchmark/benchmark.js
npm ERR! fstream_path /Users/[user]/[project]/node_modules/bower/node_modules/bower-registry-client/node_modules/request/node_modules/node-uuid/benchmark/benchmark.js
npm ERR! fstream_type File
npm ERR! fstream_class FileWriter
npm ERR! code ENOENT
npm ERR! errno 34
npm ERR! fstream_stack /usr/local/lib/node_modules/npm/node_modules/fstream/lib/writer.js:284:26
npm ERR! fstream_stack Object.oncomplete (fs.js:107:15)
npm http 304 https://registry.npmjs.org/ctype/0.5.2
npm http 304 https://registry.npmjs.org/hoek
npm http 304 https://registry.npmjs.org/boom
npm http 304 https://registry.npmjs.org/cryptiles
npm http GET https://registry.npmjs.org/traverse
npm http 304 https://registry.npmjs.org/sntp
npm http GET https://registry.npmjs.org/delayed-stream/0.0.5
npm http 304 https://registry.npmjs.org/punycode
npm http 304 https://registry.npmjs.org/esprima
npm http 304 https://registry.npmjs.org/wordwrap
npm http 304 https://registry.npmjs.org/es5-ext
npm http 304 https://registry.npmjs.org/memoizee
npm http 304 https://registry.npmjs.org/argparse
npm http 304 https://registry.npmjs.org/esprima
npm http 304 https://registry.npmjs.org/delayed-stream/0.0.5
npm http 304 https://registry.npmjs.org/lodash._isnative
npm http 304 https://registry.npmjs.org/lodash._objecttypes
npm http 304 https://registry.npmjs.org/source-map
npm http 304 https://registry.npmjs.org/traverse
npm http GET https://registry.npmjs.org/event-emitter
npm http GET https://registry.npmjs.org/next-tick
npm http GET https://registry.npmjs.org/underscore
npm http GET https://registry.npmjs.org/underscore.string
npm http GET https://registry.npmjs.org/amdefine
npm http 200 https://registry.npmjs.org/next-tick
npm http 304 https://registry.npmjs.org/event-emitter
npm http 304 https://registry.npmjs.org/underscore
npm http 304 https://registry.npmjs.org/underscore.string
npm http 304 https://registry.npmjs.org/amdefine
npm ERR!
npm ERR! Additional logging details can be found in:
npm ERR!     /Users/[user]/[project]/npm-debug.log
npm ERR! not ok code 0

A:

Happened to me as well, clear cache! 
npm cache clean