Imagine you’re scrolling through Twitter. You see a new coat and, on impulse, tap ‘buy’. Purchase confirmed. Later, you open Twitter again to order a taxi to a restaurant and once there, you scan a QR code to see the menu, from which you order directly to the table. All of this is charged to your Twitter-wallet, filled with money you’ve received as a birthday present from friends or family, sent of course via Twitter.

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