Do you still carry cash to go shopping? >>> Listening exercise: How would you like to pay? (6 Minute English, BBC Learning English)
Tell me different ways to pay.
However, rich men don't always know what to do with so much money. Listening exercise: Giving away your fortune (6 Minute English, BBC Learning English)
Do you happen to know Mark Zuckerberg? Where is he now? MOBILE WORLD CONGRESS
Article in the Guardian about the issue