Adweek published an article this morning discussing the issues facing Colorado’s legal marijuana purveyors. Seems that Twitter and Google prohibit, and Apple’s app store limits, advertisements for weed, which is legal in only two states. While Colorado published its own set of rules and regulations for selling recreational marijuana, many national advertising platforms have yet to come up with their own strategies. The issue is a significant one for advertisers using social media given its inevitable national reach. The matter begs the question: Is it possible to localize social media advertising?