Date: Thu, 22 Jul 2010 14:42:34 -0400
From: "Michael Walsh" <mjw at press.jhu.edu>
To: "WSFA members" <WSFAlist at KeithLynch.net>, <wsfa-forum at yahoogroups.com>
Subject: [WSFA] Half a billion users
Reply-To: WSFA members <WSFAlist at KeithLynch.net>

http://www.cnn.com/2010/TECH/social.media/07/22/facebook.500million/index.h=
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mjw