Fourth, New York has become an important point of entry for international investors who are interested in American start-ups, and for overseas companies looking to establish themselves and partner in the U.S. Last month B to V Partners AG, a respected German angel group, spent a week in New York looking at high potential New York based ventures.

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The favorite chant is simply "B-V-B, " which comes out as three letters they manage to set to half-a-dozen different tunes.

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