Kontera In-Text Advertising is an increasingly popular alternative to AdSense and the numbers of publishers are growing daily. – very rapidly. The Kontera ContentLink is a double-underlined, hyperlinked keyword that only opens on mouseover. It displays a tooltip with an ad and/or additional information relevant to the page’s content. Kontera has also just introduced video and other rich media units and is constantly working on new applications. The good news is that you can install Kontera as well as Adsense on your site, so you can get income from two sources.