On the Internet, a walled garden refers to a browsing environment that controls the information and Web sites the user is able to access. This is a popular method used by ISPs in order to keep the user navigating only specific areas of the Web, whether for the purpose of shielding users from information — such as restricting children’s access to pornography — or directing users to paid content that the ISP supports. America Online is a good example of an ISP that places users in a walled garden