Our modern lives are largely powered by apps. We use them to monitor our health, check our finances, connect with the world and so much more. But historically, technology has largely ignored lower-income consumers. Now, a new app is looking to help nearly 40 million people navigate the benefits they receive from the Supplemental Nutrition Assistance Program - also known as SNAP or food stamps. Soledad O’Brien speaks with Jimmy Chen, CEO and creator of Propel, the maker of Fresh EBT.