Stumbled across this online, thought it made for interesting reading.
4 Keys to a Successful Social Game That Every Developer Should Know
Basically it is a chat between Sana Choudray of Traffichoney, Dan Fiden of Playfish, David Stewart of Playdom, Gavin Barrett of Crowdstar and Mark Skaggs of Zynga - these are the guys that are shaping the future of online P2W gaming. It's from 2010, but interesting all the same.
Click click... http://freetoplay.biz/2010/03/08/4-k...r-should-know/
I particularly liked this from Gavin Barrett of Crowdstar "Support of your community and the interaction with them is the most important thing you can do. They need to feel that you're there and listening. You need to find a way to feed what you're getting from your community back into the game."
There are some other articles on that site that are interesting, well, interesting if you are into the 'business' side of gaming.