Books on tape were the lifeblood of self-help. But e-learning startups like Khan Academy and Coursera demanded our eyes, not just our ears. Then came podcasts that make knowledge accessible, yet rarel
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How is it possible for a company to build a <a href="https://techcrunch.com/2010/01
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There is no doubt that the iPhone and iPod Touch are <a href="http://www.mobilecrun