The payment-processing company behind companies such as Lyft will let you make purchases without having to awkwardly fill out online forms.
You may not have heard of Stripe; but you’ve used it if you’ve called a car on Lyft, ordered a delivery on Postmates, or backed a project on Kickstarter. The young company that processes billions of dollars a year for tens of thousands of businesses and startups today introduced Relay, a service that adds one-click buying to mobile apps, most notably Twitter. It also lets people buy straight from the ads that run in mobile apps.