Product reviews and star-based ratings can help customers quickly differentiate a high-quality, reliable product from a "cheap, unreliable alternative or an unreliable seller," Mozilla said.

Thanks to a new Firefox feature, you'll soon be able to trust online reviews a little more. Here's how it works. Firefox is getting an AI-powered fake review detector for your shopping needs | ZDNET ...

Like Android, many of these alternatives were based on Linux. In addition to Mozilla's Firefox OS, there was Ubuntu Phone from Canonical and Sailfish OS from Jolla.