Data Sources

Twitter provides Tweets and associated metadata including geodata, images, and mentions.

Tumblr is a social blogging platform with posts that include text, photos, audio, and video.

Foursquare helps connect people to the world around them through check-ins.

WordPress is the world's largest blogging and content creation platform.

Disqus is the largest third-party commenting system on the web.

The fastest source of social market information from investors and traders.

IntenseDebate is a third-party platform that allows blogs and websites to have comments.

Estimize provides stock estimate data from top buy-side and independent analysts.

Sitrion follows millions of RSS feeds to provide blog and news content as it is created.

Bitly is one of the largest link saving, sharing, and discovery platforms on the web.

DailyMotion is a content sharing service. Its users post videos, watch videos, and post and receive comments.

Delicious is among the most widely used social bookmarking sites.

Facebook is the most popular social networking site in the world.

Flickr is a social photo platform that allows users to upload and share photos.

Google+ is a social network that allows users to share content with "circles" of their peers.

Instagram is the largest photo sharing platform in the world.

Metacafe is one of the world's largest video entertainment destinations.

Panoramio is a geolocation-oriented social photo sharing website.

Photobucket is an image and video hosting, editing and sharing website.

Plurk is a social microblogging site that gives users a way to chronicle and share their life.

Reddit is a social news website where users submit original comments and content.

Stack Overflow is a question and answer site for everything about programming.

Vimeo is a social website for sharing original video content.

VK is the most popular social networking site in Eastern Europe.

YouTube enables people to discover, watch and share originally-created videos.