Easy setup/configuration, great docs (also available in App form), easy-to-use GUI client for Windows users - no need to mess around with command line! Very flexible solution that allows you to connect anywhere there is internet access. It's very fast too which surprised me at first but when I started looking into it more I realized this was one of their main selling points. As others have mentioned, sometimes connection drops out or fails completely due to high load. This happens even though my router has plenty of capacity to handle it without any issues. If your going through a corporate firewall then they are probably blocking port 1194 so make sure you set up an exception if necessary. If you're not getting blocked by firewalls, just be prepared that things can take awhile to establish. We needed something secure yet simple as we use our.