By michaelpace on July 6, 2011 While sitting on the white sand beaches of Cancun last week*, I was thinking about Foursquare’s announcement that they have reached 10,000,000 users.  10 MILLION users is not chump change.  Now when you include other Location Based Services like Facebook Places (30-40M+), SCVNGR (1M+) and Gowalla (~2M), and then […]