Spice was destined to become a phenomenon. For decades, magazines like High Times have advertised famously fake pot products that apparently sold well enough to support a robust marketing campaign, despite being completely useless. Anyone could have predicted that a legal marijuana substitute capable of producing the familiar buzz of pot itself would be massively successful. That's exactly what happened, and regardless of the pending federal ban announced this month by the DEA, there's good reason to believe this drug is here stay.