Twitter for iPhone has just updated to brings support for iOS 4 and the newly released iPhone 4. Twitter brings Multitasking feature for the newly released iOS 4.
![IMG_0004[1]](http://techulus.com/iblog/wp-content/uploads/2010/06/IMG_00041.png)
What new?
More secure tweeting
Support for iOS4 (Multitasking)
Retina Display optimizations
Have a look at these :