Verified accounts on Twitter can help you tell the difference between a real celebrity's account, and those of imposters and over-enthusiastic fans.
In this way, you can tell the real @britneyspears apart from the likes of @britney_spears and @britneyspear.
A Naked Security reader got in touch this morning asking us how on earth a fictional character (Percy Jackson) had managed to get his Twitter account verified:
"How is an RP account verified by Twitter?"