I am a little late here, but Apple’s World Wide Developer Conference keynote for 2014 was held yesterday in San Francisco. I am not going to reinvent the wheel here. A lot has already been written about Mac OS X Yosemite and iOS 8. So, I will point you at a comprehensive summary done about the keynote and its highlights. The good folks at Applevis have done a far better job than I could do. You can read about it
here.
For details on Mac OS X 10.10 Yosemite, you can
see them here.
For iOS 8 information,
you cango here
for all of the details.