WWDC 2012 was the hottest selling ticket in the technology community this year. The event was sold out within 2 hours.
Whilst many developers may have missed out on being at the event, Apple has now released over 100 session videos from the conference for free.
In order to access this content you need to be a registered Apple Developer. More information can be found via the following link: https://developer.apple.com/videos/wwdc/2012/