A blue sky. The nature of love. A child's smile. The "@" symbol. — Some things are so common place that you scarcely notice them. But that doesn't make them any less fascinating. Take the humble "@" symbol, for instance. — It's something we use dozens—perhaps hundreds—of times a day. This little "a" with the curved tail is inextricably linked to the instantaneous communication that we, as a society, are dependent upon.
History, of, @ Sign