How Mailchimp's Headquarters Fuels Creativity The online marketing company encourages its employees to think way, way outside the box.

Mailchimp wants its employees to think creatively -- and the company will do just about anything to get its staffers' minds to open. The online marketing company hosts weekly innovation labs, design studios, and brainstorming sessions. Once a month, a brand-wide "coffee hour" invites employees to explore new ways of thinking via a speaker series that's featured everyone from rapper Big Boi to a 74-time Jeopardy! champ. As a result of all this, departments have learned to embrace unexpected paths to creativity -- and the company has grown rapidly, cracking $600 million in annual revenue. Here's some of what's happening at its Atlanta headquarters.

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Lauren Schuman / Senior director of product insights and growth