Three20
Encyclopedia
Three20 is an open source Objective-C
Objective-C
Objective-C is a reflective, object-oriented programming language that adds Smalltalk-style messaging to the C programming language.Today, it is used primarily on Apple's Mac OS X and iOS: two environments derived from the OpenStep standard, though not compliant with it...

 library for iPhone
IPhone
The iPhone is a line of Internet and multimedia-enabled smartphones marketed by Apple Inc. The first iPhone was unveiled by Steve Jobs, then CEO of Apple, on January 9, 2007, and released on June 29, 2007...

 developers. It was created by Joe Hewitt
Joe Hewitt (programmer)
Joe Hewitt is a software programmer who is best known for his work on the Firefox web browser and related software development tools like Firebug and DOM Inspector....

, the developer responsible for Facebook
Facebook
Facebook is a social networking service and website launched in February 2004, operated and privately owned by Facebook, Inc. , Facebook has more than 800 million active users. Users must register before using the site, after which they may create a personal profile, add other users as...

application for iPhone. The first official release of the library dates back to January 23, 2009.
Three20 stands for 320 pixels of horizontal resolution of iPhone screen.
The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
x
OK