Interesting watching the fuss about Sky News and now The BBC putting limits on how their journalists use Twitter to break stories. I have been talking about the growing tension between individual journalists' brands and those of their employers for a long time. In fact three years ago I toyed with the idea of iTunes for journalism and used the above graphic on the story!
As Matthew Ingram, writing on Giga Om, says:
if a single tweet from someone on your staff gives away enough of the value of your story that you have to forbid it, you have a lot bigger problems than just breaking news on Twitter.
Increasingly, institutions hold smart people back.