Added: GoDaddy, SourceForge, Pinterest, Scribd, Evernote, and Hacker News
Differentiating between hard/impossible difficulties
Typo fix
Formatting
Change WordPress to WordPress.com

The actual name of the service run at http://wordpress.com/ is "WordPress.com". WordPress is the open source project that one can download and install on a server they control.
Add Khan Academy and Duolingo

Signed-off-by: Matheus Macabu <mkbu95@gmail.com>
Add Khan Academy and Duolingo: Fixed ident
Added Battle.net
Manually merged pull. Closes #26
Manual merge. Closes #26
Fixed merge conflicts
Merge pull request #31 from nacin/wordpressdotcom

Change WordPress to WordPress.com
Manual merge due to duplications. Closes #40
Manually added path and Rdio. Fixed gumroad typo. Closes #32
fixed conflict and added battle.net
Manual add: aboutme, airbnb, box, forrst, instapaper, livejournal, mint, pocket, vimeo. Closes #39
Manual add artsy.net. closes #34
Manually added grooveshark. Closes #36
Manual add pushover. Closes #37
closes #38, closes #41, closes #42, closes #44, closes #45, closes #46, closes #47