Twitter says it's fashioned a remedy for a major bug that has cause Twitter feeds to show zero followers and following today.
It just posted a notice for its 105 million accounts:
"We identified and resolved a bug that permitted a user to 'force' other users to follow them. We're now working to rollback all abuse of the bug that took place. Follower/following numbers are currently at 0; we're aware and this too should shortly be resolved."