KEY POINTS

• Vaporizer companies are seeing huge growth as more states legalize marijuana

• As the industry grows, the technology is becoming more high-tech

A man calling himself Henry Hemp inhales marijuana using a vaporizer pen at HempCon medical marijuana show.

As more states legalize medical and recreational marijuana, the pot culture is spawning some big side industries.

Vaporizers, which were already seeing growth from people shifting away from traditional cigarettes, have seen a sales surge as cannabis legalization has spread.

Widely used by marijuana enthusiasts, vapes have historically been low-cost, low-tech products. But many in the industry are now adopting business models that are more in line with tech giants like Apple, and Sony as a means to grow sales.