Watch out for those fake reviews online

With the e-commerce industry here expected to balloon to $7.4 billion by 2025, it is no wonder businesses are paying for positive reviews by people pretending to be unbiased consumers

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Undergraduate Casey Tang treats her mobile phone like a mall on the go. Whether it is buying movie tickets or a new cult beauty product or locking down a hotel for a vacation, everything is done on her trusty iPhone.

"Because I shop so much online, I glean all my research about the product or service from online reviews," says the 22-year-old.

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A version of this article appeared in the print edition of The Sunday Times on August 19, 2018, with the headline Watch out for those fake reviews online. Subscribe