Paragraph 2
The Wall Street Journal said
in the USA are becoming
of tipping the self-checkout machines. Many people are experiencing "tipping
". Nearly 20 per cent of people are now leaving tips for
they never used to leave tips for, like bottles of
. A customer at an
store said self-checkout machines asking for a tip was like "emotional
". A digital
company said the machines are increasing the
of tips. It said Americans are leaving 15 per cent more tips than
.
