The ease of use for configuring rules to block unwanted sites or URLs when browsing from home network as well as mobile devices like smartphones and tablets.
It will also notify you via email whenever your device has been infected by malware such as viruses and worms which can be very useful if not configured properly otherwise it may cause confusion with false positives alerts that are sent out unnecessarily. I have found this program helpful since my children frequently browse using their smart phones at school while connected to our corporate office WiFi so we need to ensure they do not access any malicious websites that could lead them into trouble later down the line.