The explosion in sales comes as the marijuana industry experiences other evidence of boom times. A trade show in Denver last month attracted two thousand vendors and exhibitors, according to Taylor West, a spokeswoman for the National Cannabis Industry Association. Another trade show in November in Las Vegas attracted 10,000 visitors.

Read more: http://thehill.com/homenews/state-watch/318976-legal-pot-sales-top-1-billion-in-2-states