http://lmframework.com/blog/2009/06/freemium/
http://www.openp2p.com/pub/a/p2p/2000/12/19/micropayments.ht...
i thought the post provided a fair bit of detail and discussion. it wasn't fluff, though also not flawless.
http://lmframework.com/blog/2009/06/freemium/
http://www.openp2p.com/pub/a/p2p/2000/12/19/micropayments.ht...
i thought the post provided a fair bit of detail and discussion. it wasn't fluff, though also not flawless.