A walled garden is an analogy and is used in various senses in information technology. In relation to telecommunications and media industries, a "walled garden" refers to a carrier's or service provider's control over applications, content, and media on platforms. A walled garden also restricts convenient access to non-approved applications or content. 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 to keep the user navigating only specific areas of the Web. This shall be for the purpose of shielding users from information such as restricting children's access to pornography or directing users to paid content. America Online places users in a walled garden.