Twitter For iPhone Updated With Multitasking, Oauth And iPhone 4 Retina Display Support

Good times.

Download the  update directly on your iPhone or via iTunes.

(Hat tip: Mashable.)

This week we’re bringing you a bunch of great online courses to help you launch a new career, hone your passion, or discover your hidden talent. Courses including Writing the TV Spec Script, Facebook Marketing, Intro to Digital Project Management, and Boot Camp for Journalists. See all online courses.