Whether you're in a corporate or home office or on the road, a VPN remains one of the best ways to protect your privacy and security on the internet.Whether you work from a traditional office, home office, your iPhone, or on the road, a VPN is one of the best ways to protect yourself from data breaches on the internet, especially when using public wi-fi networks. But how effective are VPNs, and what's the best VPN for you? What are the downsides to using a VPN? Our executive guide w...