GTC 2013: How Google, Apple and Amazon Disrupted Mobile By Kevin Parrish Apple drives revenue from devices whereas Google depends on advertising and Amazon depends on traffic.
Yahoo Ditching 80% of Its Mobile Apps, Acquires Alike By Zak Islam Internet firm's mobile apps to be cut down from 60 to about 12.
American Express Turns Twitter #Hashtags Into Purchases By Kevin Parrish American Express customers can now make purchases through Twitter using #hashtags.
