Have you signed up for a tracking app by mistake?

After users of fitness tracker Strava accidentally revealed the whereabouts of US military bases, we round up five tools and apps that have the ability to log your location

Fitness tracker Strava has come under fire for publishing the heatmaps (paths its users have logged when running or cycling) of military personnel. As well as showing clear outlines of US military bases in countries such as Syria and Iraq, in some instances the locations of people inside bases were also visible, as was the frequency with which certain routes were taken. As the company pointed out, though, none of this breached its privacy policy, since participants had not opted to keep their stats hidden. Here are five more ways in which you may have agreed to be tracked.