According to About.com, the above images were created using a website called the Fast Food Sign Generator. (The site is currently down.) Yep, they’re apparently fakes.
Alas, many on Twitter fell for the prank:
https://twitter.com/JonathanMcNeil/status/230096076789665792
https://twitter.com/MissKayyRene/status/230067995328790528
No word if New York Times columnist Nick Bilton was among those who got snookered.