Another of my chums has abandoned Twitter. For him, the problem boils down to communication. The platform blasts out 140 character tidbits, a pretty small droplet of information. Twitter's strength is for the mobile, sending these small info drops from moment to moment, wherever you are. Such things are the FreeRoxana campaigns utilize this amazingly well. For many of us, though, perhaps most of us, Facebook is better. It's easier to control who sees what, you can post more information, and for many of the key platforms, there are robust mobile applications. Twitter is still a valuable tool, but it looks like it is starting to shake out, as far as who it is valuable to.