OS X battery efficiency; Mavericks optimizations give 1 hour longer web browsing and 1.5 hour longer watching video on same battery. #ygmd

“Our competition is confused; they chased netbooks, and now are trying to turn computers into tablets.” Tim Cook. #ygmd

#ygmd iPhone recap: 9 million iPhone sales first weekend. 200M devices on iOS 7 within 5 days after launch. 64% iOS devices now run iOS 7.

Apple event begins with the “Designed by Apple in California” video. #ygmd

Inside the velvet ropes now. flip.it/ZDYm0

Here’s the venue from yesterday when it wasn’t so cold and misty. flip.it/BVyyv

This time with photo. flip.it/SNeAN

On site at Yerba Buena, where Apple has a lot to cover today. #ygmd