Hearing consumers' frustrations may be unpleasant for business operators, but within such feedback lies a hidden trove of information that can be used to improve products and services.
Tokyo-based startup Insight Tech is betting on that concept, making what at first glance appears to be a bizarre offer: Sell us your complaints.
"We basically buy any complaints," said the firm's president, Tomohiro Ito, in an interview with The Japan Times.
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