Google AdSense is a program run by Google through which website publishers serve advertisements that are targeted to the site content and audience.
Google Hosted Libraries is a stable, reliable, high-speed, globally available content distribution network for the most popular, open-source JavaScript libraries.
LiteSpeed is a high-scalability web server.
Open Graph is a protocol that is used to integrate any web page into the social graph.
Prototype is a JavaScript Framework that aims to ease development of web applications.