A cursory inspection of Posterous will show that it uses Google analytics. Google runs Blogger. It's a direct competitor, even though Tumblr has a much more sim

A cursory inspection of Posterous will show that it uses Google analytics. Google runs Blogger. It's a direct competitor, even though Tumblr has a much more similar feature set. So given that Posterous happily lets Google collect stats about all their users and their business, your hypothesis is patently absurd.