Six years ago, Colorado made history by ending marijuana prohibition, unleashing a new industry and a million pot jokes. Much of what the state and municipalities predicted to come from the legal recreational use of cannabis has happened. It’s relatively inexpensive, convenient and unobtrusive in our society. Cannabis sales average around $1.6 billion a year, according to state officials. Since legalizations, consumers have forked over upwards of $8 billion dollars. But there have been surprises, too. Read on and see what the great experiment looks like six years in.