TripAdvisor urges Google and Facebook to step up fake-posts fight after it detects over a million bogus reviews

• A TripAdvisor report found that 2.1 per cent of 66 million reviews – nearly 1.4 million – submitted to the site in 2018 were fake
• One senior director says that as long as other review platforms aren’t taking aggressive action, fraudsters will continue to exploit businesses for cash