Have you noticed some well-known tech accessory makers disappearing from Amazon? Those aren’t just rare incidents — they’re part of a larger campaign. In a response to The Verge, Amazon has confirmed a South China Morning Post report that the internet giant has banned over 600 Chinese brands (spread across 3,000 seller accounts) over review fraud incidents. These firms intentionally and repeatedly violated review policies banning incentivized reviews, Amazon said. The online retailer first broke word of the figure in an interview with VP Cindy Tai on the state-controlled network China Central Television. It had previously kept relatively quiet on...