We did a group chat product at groupflier.com and got great traction on the free version but the SMS costs killed us and we had to switch to a paid model. Happy to trade PM on our experiences if you are interested and have a blog about it at:
http://gcrawshaw.posterous.com/group-texting-is-a-telco-game
We did a group chat product at groupflier.com and got great traction on the free version but the SMS costs killed us and we had to switch to a paid model. Happy to trade PM on our experiences if you are interested and have a blog about it at:
http://gcrawshaw.posterous.com/group-texting-is-a-telco-game