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Tipping is normal in many countries. Some people put tips in a special tip jar. There is now a new way to tip – self checkout machines. People are not happy about them because they are asking for a tip. There is no face-to-face contact, so people are unhappy about tipping a machine.
People in the USA are tired of tipping self-checkout machines. They have "tipping fatigue". People are leaving tips for things like bottles of water. A customer said self-checkout machines asking for tips was like "blackmail". The machines have increased the number of tips by 15 per cent.
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