It’s all the rage on Tech.Memeorandum today. Sphere.com. Pretty good. I wrote more about it early in the day at Social Software. Having used it some more and listened to star-maker Mike Arrington interview the founders – I feel even better about it at the end of the afternoon. You might want to check it out too, and if you have an hour you might want to listen to the podcast linked to over there on Social Software.