Digg is a news aggregator with a curated front page, aiming to select stories specifically for the Internet audience such as science, trending political issue…

Google News is an advertising-supported news aggregator provided and operated by Google, selecting news from thousands of news websites.

Pinterest is a web and mobile application startup that operates a software system designed to discover information on the World Wide Web.

Reddit is an social news aggregation, web content rating, and discussion website.

Slashdot is a news source for technology related news with a heavy slant towards Linux and Open Source issues.

Tizmos for Teachers is a personalized page for teachers that allows them to easily share online resources with students and other teachers.

FFFFOUND! was a social bookmarking web site that allows registered users to share already existing images on the Internet and to receive personalized recommen…

Hubski is a website community for sharing thoughtful information and conversation.

Raindrop.io syncs bookmarks into the cloud and makes them beautiful as well as easy to search.

Skloog is an online bookmark management website that is used to organize and sort bookmarks.

Snapzu is a community site.

weheartit.com is an online community focused on girls.