Arye Barnehama and Laura Michelle Berman, the founders of Melon, believe that when people improve their focus, they feel more mindful, confident, and productive. To that end, the pair developed a breakthrough technology that enables people to measure their brain activity and track their mental focus—no doctor required.Melon ran a successful Kickstarter crowdfunding campaign in May and June 2013. More than 2,700 backers pledged $290,941, nearly triple the project’s fundraising goal.THE CHALLENGE