Knowledge sharing applications
Aardvark is a social search engine: a way to find people, not web pages, that have specific information.
BestThinking is an open access publisher and syndicator of journal quality content, and a place to publish and network in a community of Thinkers.
eHow.com provides users the ability to research, share, and discuss instructional solutions that help complete day-to-day tasks and projects.
Ask Fluther, and they will direct your question to people who can help.
This Is Like is a collaborative system of associations: people can add items, link them together, and vote on already existing links.
5min is a syndication platform for broadband instructional, knowledge and lifestyle videos.
Howcast shows consumers how-to videos and guides wherever, whenever they need to learn how.
Squidoo is a free and easy application to build a web page on a topic you're passionate about.
Users can post whatever is on their mind whether it affects only them, their community or the world. Their vents will be voted on by other users.
At BlogHer.com, you will find conversations led by women in social media.