Hugg, a green digg

Hugg is a new project by TreeHugger —a source for user-generated green news. What does this mean? It's simple—how many times have you found an article, a video or a website that you’ve wanted to share with all your green friends? Well, Hugg lets you to share this stuff with everyone. Plus, it lets other users rate shared stories by Hugging them. All posts start out in the queue. Each time a story is Hugged, it climbs the ranks. If a story gets enough Huggs, it jumps up to the front page where it can be seen by everyone who visits. Step by step instructions on how to add your news is found on the Submit page. Hugg is a place to post and harvest the latest on green architecture, transportation, fashion, alternative energy, politics, products and technology. It's green media, by you, for you!

An Introduction to Web 2.0

Web 2.0 is more than anything else a new way for searchers to actually use the Web in a collaborative, interactive way.
The term 2.0 doesn't mean that we are "out with the old and in with the new"; quite the contrary! It's just a new perspective on how we use the Web, and how the Web is used for much, MUCH more than just search.
Learn more about Web 2.0 in my article titled An Introduction to Web 2.0.

Social bookmarking search engine

Thagoo/ - Social bookmarking search engine. It is a meta search engine at its early stage, it searches almost about ten social bookmarking sites such as deli.icio.us, Furl, Blinklist etc.

What is Social Networking?

You might have heard the term "social networking" in your travels on the Web. What does this mean? Are there places on the Web where people stand around with cocktails, handing out busines cards, and network?
Uh, not exactly. Social networking on the Web is similar to networking in real life, but with some crucial differences. Read more in my article titled What is Social Networking?
By Wendy Boswell, About.com - Web Search