Have you noticed that sometimes Twitter says you're not following people when you... are? Welcome to the wacky world of the Twitter Unfollow Bug, which has been wreaking havoc on more than half of Twitter's 18 billion users (figures estimated). What can you do about the Twitter Unfollow Bug, if you are the kind of person who cares? (A nerd):

Bug alert:
A person you've recently followed shows in your following tab, but appears with a follow icon so it looks like you're not following them, as shown in the image below. Visit their profile if you'd like to confirm you're following them.
Engineers are working to resolve the issues listed above. Thanks for your patience!

[image via AP]