Originally Posted by HenryKrinkle
It is odd. I don't have Twitter "proper" itself but use Tweetcaster.
Also odd is the fact that when I go to Accounts & Sync (not for blinkfeed - for the entire phone) to "add accounts" I don't get an option for Twitter. I suspect that's related but have no idea what's causing it.
Install Twitters official app, see what happens.