Apple has announced that the company’s annual Worldwide Developers Conference will take place from 11 June 2012 to 15 June 2012 in San Francisco. Tickets cost $1,599 and sold out within the first two hours (much to the consternation of West Coast developers who woke up to discover they couldn’t attend).follow link
Open a Finder Window with the App Switcher
If you don't have any Finder windows open and want to switch to the Finder and open a window in one fell swoop, bring up the app switcher with Command-Tab and tab over to the Finder icon. While still holding down Command, press the Option key, and then release the Command key. You're switched to the Finder, with a new default window open for you.
Apple WWDC 2012 to Take Place June 11–15 in San Francisco