Are Facebook and Alexa really listening? 6 common tech myths debunked Kim Komando, Special to USA TODAY We once believed that Macs would never get a virus, closing apps would save battery life, and private mode was really private. And I’m sorry to break it to you, but just like a Windows PC, your Mac is certainly at risk. Tap or click for five free downloads that will keep your Mac or PC secure. This recommendation is one you can’t afford to ignore. 1. You can’t be tracked if GPS is off Even if you turn off location tracking on your phone, you can still be tracked. Smartphones continuously check in with cellphone towers. Using this data, the proximity of your phone can be easily calculated.