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...British anthropologist Robin Dunbar estimated that humans would have social groups of around 150, and Fowler said that the average Facebook user has about 110 friends on the site, which fits the relatively small groups humans evolved in. He and Christakis found that there is a “Three Degrees Rule”—networks are influential to point of the friends of a friend of a friend, but not very much beyond that...
...Murphy, founder and CEO of Izea, says more than 10,000 Twitter users have signed up for Sponsored Tweets since early August. About 700 advertisers, mostly small to medium-size businesses, plus a handful of FORTUNE 500 companies, are using the platform. Marketers have access to the entire database of tweeters and can select whom they want to pay and how much they're willing to dish out. Compensation is based on a user's expertise or passion, how many followers that person has and other metrics, like how often the tweeter's followers click on the links posted...
Microsoft, the other big-time company that, like Google, already has the technology available to implement a pay wall, also proposes aggregating information from several news sources in one pay-to-play location. The company's proposal emphasizes user preferences and aims to make the content accessible from any device, both on- and off-line. Yahoo is said to be readying an idea as well, but has not yet given any details. (See the top 10 magazine covers...
Late in August, Wikipedia announced that it was reining in its freewheeling ways. In several interviews, including many with TIME, officials at the Wikimedia Foundation, the nonprofit that manages Wikipedia, explained that the user-edited online encyclopedia would soon impose restrictions on articles about living people. Under the new policy, anonymous Web editors would still be allowed to freely change biographical Wikipedia entries - but their changes would be made visible to readers only after an experienced Wikipedia volunteer had approved them. The plan, officials explained, would make the world's largest encyclopedia more accurate and fair, and would help prevent...
...conducted by FAS Dean Michael D. Smith, the Idea Bank, now in its second week of existence, also includes a feature by which site visitors can comment and rank the proposals that have been posted. A “Top rated ideas” tab on the site brings users directly to a list of proposals that have received the highest user rankings on a five star scale...