Twitter Security Issue
brianshaler.com
brianshaler.com
That said, this is sort of an unserious security "issue" for most people between not really caring about the security of their account and reasonably short cookie lifetime settings.
Twitter seem to have been so busy fire fighting that a lot of interesting stuff has seemingly dropped off the roadmap (such as XMPP).
Good? No.
Not many come to mind.
Of course that's the bigger problem. The user shouldn't have to give their password out. It's somewhat ironic that Twitter doesn't implement OAuth or something similar since Blaine Cook started OAuth.