Some online sellers are offering people free goods in return for positive product reviews, an investigation by consumer group Which? has found.
Its investigator joined several "rewards for reviews" groups and was hired to write high-rated reviews in return for free items.
Paid-for, or fake, reviews flout rules set by platforms such as Amazon and Facebook.
A similar investigation by BBC 5 live uncovered the trade in false reviews.
Fake five-star reviews being bought and sold online
The Which? investigator found five sellers who gave instructions to order an item through Amazon, write a review and share the link, with the promise of a refund.
The investigator gave an honest review of the items, but in three out of five cases was not refunded because the reviews were not positive enough...... Continued
https://www.bbc.co.uk/news/business-45916368