Through new partnerships with top online and offline purchase data providers Datalogix, Epsilon, Acxiom, and BlueKai, Facebook is allowing advertisers to target hashed lists of existing and potential
<img src="http://tctechcrunch.files.wordpress.com/2011/04/screen-shot-2011-04-03-at-11-47-37-am.png" />In case you haven't already received the ominous sounding email, data held by email marketing fir