Terms of Service cleanup
New introduction
Yahoo!
Expanded "Modifications to this Agreement"
Consolidated impersonation policies
Clarifications for content posted by "rightholders," not just "owners"
Link to tumblr.com/logo
Updated "Releases From Liability" including "Time Limitation on Claims"
Rolled up "Tumblr Affiliates"
Changed jurisdiction/venue clause for U.S. government agencies using Tumblr
Reminder that DMCA notices may be forwarded
Added open source disclosures
Privacy Policy cleanup
Revised disclosure on "Third Party Services"
Added description of visibility and use of "Native Actions"
Overhauled "Information Related to Use of the Services"
Broke up information about IP addresses
Disclosure about mobile identifiers
Clarified use of phone numbers
Revised disclosure about cookies