What: The Apple Worldwide Developers Conference (WWDC) gives developers an in-depth look at the latest in iOS and OS X. You can learn and be inspired by more than 100 sessions led by Apple engineers, get help from Apple experts through an extensive set of hands-on labs, and connect with fellow developers from around the world, giving you the opportunity to create your best apps ever.
What will be announced?
I don’t officially know what is to be announced, however MacBook Air, MacBook Pro and iMac are due for a refresh.
It look’s like iOS6 will be announced (Currently iOS5 is the latest software to run on your iPhone and iPad.)