Likewise, "Limit Ad Tracking" will not stop individual channels, like Hulu or Netflix, from collecting their own data on your usage or passing that info on to other parties.

4. Bluetooth Devices: Google can detect Bluetooth signals from nearby devices or beacons in stores and public places. This capability allows it to assess your proximity to specific locations. 5.

Physical tracking systems, like the trackpad on a Mac or iPhone's screen, have limitations. If you've ever attempted to use an iPhone while wearing gloves, you've likely experienced this yourself.

A recent study reminds wearables users that health and fitness tracking is not yet an exact science. Though many stats like heart rate and VO2 max can be measured within a reasonable margin of ...