Sometimes it's really scary what human mind can conceive for advertising...

The @ symbol has been a central part of the Internet and its forerunners ever since it was chosen to be a separator in e-mail addresses by Ray Tomlinson in 1972. From puzzled comments which surface from time to time in various newsgroups, it appears the biggest problem for many Net users is deciding what to call it. This is perhaps unsurprising, as outside the narrow limits of bookkeeping, invoicing and related areas few people use it regularly. Even fewer ever have to find a name for it, so it’s noted mentally as something like “that letter a with the curly line round it”.