SocialComputing

Trustworthiness Critics of publicly editable wiki systems argue that these systems could be easily tampered with, while proponents argue that the community of users can catch malicious content and correct it.[2] Lars Aronsson, a data systems specialist, summarizes the controversy as follows: “ Most people, when they first learn about the wiki concept, assume that a Web site that can be edited by anybody would soon be rendered useless by destructive input. It sounds like offering free spray cans next to a grey concrete wall. The only likely outcome would be ugly graffiti and simple tagging, and many artistic efforts would not be long lived. Still, it seems to work very well.[6]

After seeing that it has taken Facebook five and a half years to become cash flow-positive, it seems that founders Michael Fleischmann and Chuck Donnelley are trying to create a new revenue model for their social network.

PowerReviews to offer social product reviews to brands

PowerReviews said it believes that it's that social element that could significantly improve its clients' ability to drive traffic to their sites. The company makes BrandConnect available to retailers and brands on Tuesday.

reCAPTCHA is a positive example of crowd-sourcing: it distributes a laborious process among millions of users.

How exactly is Facebook making money?

The First Wiki Ward Cunningham created the first wiki in 1995. His "WikiWikiWeb" lets software developers create a library of "software patterns." The name "Wiki" was inspired by the Hawaiian word wiki or wiki-wiki, which means "quick" and is often used as a term for taxis and airport shuttles. The WikiWikiWeb still exists

The idea that anyone can come to Wikipedia and edit any page at any time and do so with complete anonymity is extremely disconcerting

he key thing that makes a wiki work is its community

Glue’s Social Browsing Add-on Jumps onto Multiple Browsers

browser plugin that connects you to your friends while you are surfing the web

You can even import your Twitter and Facebook friends to get started.

How Wikis Work

more people than ever are spending their time online visiting content sites which provide news, information, and entertainment

Why Social Networks are Replacing Email As to why social networking sites have led to declining use of other communication tools, Pam Horan, president of the OPA, speculates that it's because people can conduct the same activities on the social networks as they did before via email, IM, and other communication properties, but now they can do so more efficiently. While we would argue that in the business world, emailing is still an essential, "can't live without it" tool, it's not so far-fetched to say that Facebook and the like have changed mainstream users' online behavior. Want to share a funny video? Post it to your profile. Have new pictures from your vacation? Upload them to an online album. These are precisely the sorts of online activities that only a few years ago took place primarily via email messages. Social networking has undoubtedly changed that.

Web 2.0 sites that enable people to create content are increasingly used to carry out a wide range of attacks

Vandalism and Edit Wars

Social search, in which you rely on the expertise of your social network to find answers

the transition from a “read only” Web 1.0 to a community-driven, interactive Web 2.0 centered on involvement through writing, sharing, and communicating in a group dynamic.

Blogs are one of the most powerful elements of social media

the risks of getting involved in social media marketing, such as being unsuccessful, being too successful too fast, and getting feedback you’re not quite ready for.