Joint is an Instant Messenger platform built on top of your existing Twitter social graph. * Here are some highlights: 1. Instantly IM with anyone on Twitter.

Joint is an Instant Messenger platform built on top of your existing Twitter social graph. * Here are some highlights: 1. Instantly IM with anyone on Twitter. 2. Private group chat with friends on Twitter. 3. Meet friends of friends through chatrooms. I've created a sample chatroom for this thread. Please visit and try. As a regular HN heavy reader, I would appreciate some help and feedback from the community. Thanks! : http://joint.im/r/khPZl9sn4eg http://joint.im/r/khPZl9sn4eg