Unlike other web filters, Net Nanny doesn't depend on "Black Lists" of bad websites in order to filter. We have developed the most advanced filtering engine in the industry which uses dynamic contextual analysis. That is just a fancy way of saying that even if a website is brand new we can look at the contents of the website and determine if it is okay or not based on your custom settings. If you ever do need a software update Net Nanny updates itself automatically on the Internet. You never need to install an upgrade yourself and you will always have the most current version available. As the Internet changes, Net Nanny changes with it.