Marketers often spend hours selecting and producing visual content to post on Facebook brand pages. Creatives, strategists, and managers can go round-and-around debating which images work and which don't for a brand. Sometimes they debate over whether or not the brand should show people in brand images, and everyone has their differing opinions.

At Taggs, we decided to bring data to help settle the debate – Do people pictured in brand images help or hurt Facebook engagement?