<img src="http://tctechcrunch.files.wordpress.com/2010/01/tweexchange-215x49.png" width="215" height="49" /><a href="http://tweexchange.com/">Tweexchange</a>, once a <a href="https://techcrunch.com/20
<img src="http://tctechcrunch.files.wordpress.com/2009/05/tweexchange-c2bb-home-215x130.jpg" width="215" height="130" />
Twitter handles are fast becoming as desirable as buying domains and <a href="