There are only two big reasons to release a freemium offering. 1) To upsell free users later 2) To use free users as marketing. I wrote an article on this las

There are only two big reasons to release a freemium offering. 1) To upsell free users later 2) To use free users as marketing. I wrote an article on this last month... http://taprun.com/articles/secret-to-freemium-pricing http://taprun.com/articles/secret-to-freemium-pricing