Molly Whitelooks like twitter is making some attempts to cut down on impersonation accounts by using a new font for twitter handles. note the slashed 0 and the tail on the l.
Steve Jowett@molly0xfff this font appears to be the Atkinson Hyperligible font recently released into the public domain by the Braille Institute of America. It's designed to assist the visually impaired. I support and encourage more widespread use. If this is the case it's a great move.