TypeKit

Service that allow you to use a library of fonts directly from their servers. It's similar to Google Font API (based on @font-face) but let's you use more fonts with a subscriptions fee.

See the reference side-by-side comparison Comparison of web fonts solutions

	TypeKit
Website	http://typekit.com/
Difficulty to setup	easy
Dependencies	JavaScript, external web service
Pros	+ large selection of fonts + font is served by typekit servers
Cons	- yearly fee
Font licensing issue	the fee you pay cover the licences for the fonts served by Typekit
Additional link
Features
Text selectable	Yes
Accessible	Yes
Text scalable	Yes
Loads quickly (no FOUT)
Compatibility
Internet Explorer	Yes see @font-face
Firefox	Yes see @font-face
Safari	Yes see @font-face
Google Chrome	Yes see @font-face
Opera	Yes see @font-face
iPhone/iPad	Yes