CHUM.LY is dedicated to making a better messaging service that is fast, intuitive and smart. CHUM.LY allows a user to broadcast their message over multiple social networks and blogs with a simple button click and can as easily receive updates from the user's favorite social sites.
With CHUM.LY a user can broadcast more than 140 characters with a link back to CHUM.LY to read the rest of the message. CHUM.LY also allows tagging posts, conversation threads, re-broadcasting messages and a user can easily add pictures, video links, and documents.
It's still in private beta at the moment, so it's request and hope. Looks very twitter like from the timeline though.