Also, I shall x2 irriadin and add "it's" and "its" to the list. It mostly irks me because it didn't take me much to learn how they work, and I'm not even native, so it can't be that hard! >_<
OK, no where near a reversal.
When people correct the use of plurals when the object isn't plural/is the same when plural. Internets. Mooses. We know its wrong.
also, when parents/relatives print out e-mails and wonder why they have no ink
ALSO, ink cartridges that are more expensive than printers. Got a whole stack full of cheap printers, they just need ink.
(I think I may fill this thread
"Uhmmm... You know... it was at that point that I realized that maybe Thierry wasn't actually a film maker, and he was maybe just someone with mental problems who happened to have a camera. " -Banksy