Tsiferblat, or Clockface Cafe, in Moscow draws a young crowd, from students to entrepreneurs. The cafe provides Wi-Fi, printers, books and art supplies.

But a Russian entrepreneur is experimenting with ways to change that: At his Clockface Cafes, money buys time, and everything else — from drinks to snacks to art supplies and event space — is ...

At most cafes, a customer buys a drink or food and stays as long as it takes to consume it. But a Russian entrepreneur is experimenting with ways to change that: At his Clockface Cafes, money buys ...