A VPN can protect your privacy, if you use it right. We explain what VPNs do, what they don't, and how to get the most out of a VPN.Virtual Private Networks (VPNs) have become big business, advertised on various platforms such as YouTube, podcasts, and even during the Superbowl. Although VPNs can be useful tools for protecting your privacy, it is important to understand how they work to decide whether they are effective. VPNs create an encrypted connection or "tunnel" between your device...