Added Wikipedia
Add ifttt
Add Pinterest
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
Merge pull request #23 from zeckalpha/master

Added Wikipedia
Merge pull request #24 from Raytray/master

Add ifttt
Fixed merge conflicts
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