When the first version of Pinterest launched in early 2010, the creators lost sleep over whether anyone except for a handful of close family and guilt-ridden friends would ever use the site. Well, turns out their fears were unfounded. Not only have they attracted over 16 million users, they’ve also opened up a whole new world of social media marketing.

But should your business be on Pinterest? This nifty flowchart from Inituit will help you decide if it’s worth the investment.