Google Exposes @ Myth
Where it’s @ — symbol time forgot becomes modern icon at a stroke - Times Online
“The @ symbol is now part of the very fabric of life all over the world,” said Paola Antonelli, senior curator of the Department of Architecture and Design. “It has truly become a way of expressing society’s changing technological and social relationships, expressing new forms of behavior and interaction in a new world,” she said.
Google has never heard of an @, so I don't believe it exists.
Can't trust anything you read without checking.....