2015: The Year of 'Big Weed' and the Mainstreaming of Marijuana
Ohio struck down legal weed this year, but a number of states are poised to legalize in 2016. Brennan Linsley/AP

When Americans go to the polls in November, they'll be voting for a new president, many crucial Senate races and the future of legalized marijuana. It appears that at least five states, including California, will be voting on whether the pot industry should be regulated like alcohol, with products available to all adults. Several more states, including some of the most reliably conservative, will vote on allowing medical weed.

As such, 2015 was an opportunity for marijuana businesses and activists to drag the plant further into mainstream life. Though pot companies face tight restrictions on advertising, they rolled out the green carpet to non-traditional marijuana users like seniors and parents in the form of Apple store-style dispensaries and attractively packaged, user-friendly products. Their efforts are bound to surface in ever more prominent ways as Election Day approaches. As the industry gears up, here's a look back at 2015.