Abstract: Systems and methods are disclosed for a search engine interface presented to a user in which a search query is input and run on a plurality of individual search engines. The system supports selection by the user of positive or relevant search results hits, and supports deletion or rejection of negative or irrelevant search results hits. The system allows the user to compile a list of personal best hits, and allows the user to collaborate on creating a multi-user overall best result or results list. Subsequent users have access to the collaborative efforts of the multi-users best results.

Abstract: A method of detecting fraudulent Internet traffic sent from a first web site to a second web site including providing a first web site database having a list of first web sites likely to send bad traffic, providing a link to the second web site on the first web site, after an Internet user having a web browser clicks on the link, transferring the Internet user to an intermediate web site that gathers information from the Internet user web browser; and determining if a validation request is required.

Abstract: A method of suspending an Internet advertising campaign for a web site that is inaccessible to an Internet user so that an operator of the web site does not incur Pay-Per-Click charges while the web site is inaccessible, comprising the steps of determining the accessibility of the web site, and if the web site is inaccessible, suspending the Internet advertising campaign for the web site so the Internet user cannot select a Pay-Per-Click advertisement for the web site.

Abstract: A method of detecting fraudulent Internet traffic sent from a first web site to a second web site including providing a first web site database having a list of first web sites likely to send bad traffic, providing a link to the second web site on the first web site, after an Internet user having a web browser clicks on the link, transferring the Internet user to an intermediate web site that gathers information from the Internet user web browser; and determining if a validation request is required.