Contextual advertising
Advertising on the Internet that is determined by the text or other content on the page the ad is being shown on. The advertising company achieves this by using a spider or other script to scan the webpage for keywords based on the keywords available on that site and the advertisers available determines what ad is displayed on the page.
Computer Hope uses Google AdSense for its contextual advertising on its site and it's likely that the advertisement shown on this page has advertisements dealing with Internet advertising.
Also see: Advertising, Internet definitions