It's been nearly four years since Washington, D.C., citizens overwhelmingly passed Initiative 71, granting all citizens over the age of 21 permission to possess up to two ounces of marijuana. The law allows district residents to use and grow pot on private property, and to exchange weed as long as no money, goods or services are exchanged.
The nation's capital now has a market full of "ganjapreneurs," who navigate a unique ecosystem that's unlike any other legal weed market. However, that same market can be difficult for tourists, vendors, businesses and government employees. CNBC recently took a look at several elements that make the cannabis culture in Washington, D.C., different from most others in the nation.