$_SERVER["REMOTE_ADDR"] = preg_replace('/.*,\s*/','', $_SERVER["HTTP_X_FORWARDED_FOR"]);
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Program that delivers advertisements on your PC.
Note that many websites have their own advertising, unrelated to adware.
From there EULA:
Such notification will contain the trademark "CashBackBuddy"). Bullseye delivers relevant contextual information to you in the form of advertisements, promotions and other content based on the URLs and/or search terms you enter when navigating the Internet. These advertisements, promotional messages and other notifications or information may be displayed on your computer screen at any time while you are online.