If you have one of the programs listed by GuardianApp, remove it – and beware other tools that may snaffle your location.

It appears two dozen, at least, mobile apps from Apple's official store sell people's whereabouts to marketing firms. It's not just macOS applications leaking private data – 'a growing number of iOS apps have been used to covertly collect precise location histories from tens of millions of mobile devices,' GuardianApp reported before the weekend.