AddThis is a social bookmarking service that can be integrated into a website with the use of a web widget.
AppNexus is a cloud-based software platform that enables and optimizes programmatic online advertising.
Google Tag Manager is a tag management system (TMS) that allows you to quickly and easily update measurement codes and related code fragments collectively known as tags on your website or mobile app.
Open Graph is a protocol that is used to integrate any web page into the social graph.
RevolverMaps is a collection of real-time visitor statistics widgets for website or blog. Interactive visitor mappings to a globe rendered by the Revolver Engine.
Skimlinks is a content monetization platform for online publishers.
YouTube is a video sharing service where users can create their own profile, upload videos, watch, like and comment on other videos.