Apple very swiftly made Monday's keynote even from its annual World Wide Developer Conference (WWDC) availability. The video is available on the same webpage where it was originally streamed, and it was posted within an hour of the keynote ending.
Apple CEO Tim Cook at the WWDC Keynote
The keynote event includes the unveiling of iOS 8 and OS X 10.10 Yosemite, where major new features for both consumers and developers were announced. The keynote runs right at two hours.