Ex-Myspace CEO resigns as Zynga executive

(AP) -- Owen Van Natta, the former CEO of Myspace, is stepping down from an executive role at Zynga but will stay on its board of directors.

Twitter expands its mobile advertising platform

Twitter rolled out a new marketing platform Thursday that could enable advertisers to reach more than 700 million people on and off the social media service in a simpler and more effective way.

Text of Steve Jobs' resignation letter

Steve Jobs, the legendary co-founder of Apple, maker of the iconic Macintosh computer, the iPhone and the iPad, resigned as the company's chief executive Wednesday.

Cook vows to stay true to Apple core

Tim Cook began his first day as Apple chief executive on Thursday by assuring employees that he will stick to the winning ways of his legendary predecessor Steve Jobs.

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