When Facebook went down for several hours this week, we got a sense of just how much people rely on the company and its apps. And not just because they’re addicted to scrolling and likes. These platforms are also used for commerce and banking, particularly WhatsApp, the messaging service. In many parts of the world, you can also use it to send money, like you would with Venmo, or to pay for a purchase. And in some countries, that’s a big deal because the banking and finance infrastructure is less developed. Marketplace’s Marielle Segarra speaks with Lisa Ellis, a partner with MoffettNathanson, about the effects of the outage.