Fifty Promising Tech Startups

Chances are you already know a lot about hot tech startups like Twitter and Facebook. But what about Jajah, an inexpensive alternative to the traditional phone company? So far, 15 million people use its service. Or Scribd, an online literary exchange that's drawing more than 50 million readers per month. BusinessWeek and market researcher YouNoodle have teamed up to identify 50 tech startups flying under the radar. Our list includes fledgling tech companies—most started in 2005 and later—from the U.S., China, India, Israel, and Russia that are attracting some early buzz and are poised to grow beyond their regional or niche-market origins.

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