3 ms·Well, just go ahead and try signing up at facebook with {^|~!}@gmail.com then.by soulclap 16y agoWell, just go ahead and try signing up at facebook with {^|~!}@gmail.com then.EliRivers 16y agoSo because Facebook don't know what counts as a valid eMail address, everyone else has to adapt to them?T-hawk 16y agoWhen that's the behavior of the 800-pound gorilla, then the answer is yes. IE6 didn't know what counts as valid DOM or CSS but everybody else adapted to it.