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American Express Is Twitter Crazy Too. Unveils Its Small Business Tweet Stream.

Nov 24, 2009 Mg Siegler

<img src="http://tctechcrunch.files.wordpress.com/2009/11/Screen-shot-2009-11-24-at-12.08.08-PM-215x51.png" width="215" height="51" />Businesses using Twitter; there's something to this idea. Even Twi