Apache is a free and open-source cross-platform web server software.
DoubleClick Ad Exchange is a real-time marketplace to buy and sell display advertising space.
DoubleClick for Publishers (DFP) is a hosted ad serving platform that streamlines your ad management.
Google AdSense is a program run by Google through which website publishers serve advertisements that are targeted to the site content and audience.
Google Publisher Tag (GPT) is an ad tagging library for Google Ad Manager which is used to dynamically build ad requests.
Open Graph is a protocol that is used to integrate any web page into the social graph.
YouTube is a video sharing service where users can create their own profile, upload videos, watch, like and comment on other videos.