He was known to call people to explain how to accomplish what they apparently want to do. For instance, certain servers are exclusively used by those advertisers that put up annoying images that take a long time to load. They also collect statistics on your information accesses. Cookie is held by your browser, and the value is returned on demand. It simplifies creation of online catalogue systems, and was intended for such.
Abuses are unfortunately possible.
Do not send me any copyrighted information other than the document that I am requesting or any of its necessary components. In particular, do not send me any cookies that are subject to a claim of copyright by anybody. Junkbuster can be be configured to specify values for most of these on a global or a by-path basis. Some Linux users have, after using JunkBuster to change their browser ID to indicate that they were running a Linux version of Microsoft Internet Explorer, received irate email messges from people at Microsoft asking how they obtained IE for Linux. Muffin Muffin Muffin is a Java-based tool does various sorts of filtering.