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The beauty of open-source applications is that they are continually improved and updated by those who use them and care about them. Dartmouth researchers looked at the online encyclopedia Wikipedia to determine if the anonymous, infrequent contributors, the Good Samaritans, are as reliable as the people who update constantly and have a reputation to maintain.

By subdividing their analysis by registered versus anonymous contributors, the researchers found that among those who contribute often, registered users are more reliable. And they discovered that among those who contribute only a little, the anonymous users are more reliable. The researchers were most surprised to find that the reliability of Good Samaritans' contributions were at least as high as that of the more reputable registered users' contributions.

« Previous post Next post » November 22 2007 The Secret Strategies Behind Many “Viral” Videos Dan Ackerman Greenberg 443 comments » Update: Dan has a follow up to this post, here. This guest post was written by Dan Ackerman Greenberg, co-founder of viral video marketing company The Comotion Group and lead TA for the Stanford Facebook Class. Dan will graduate from the Stanford Management Science & Engineering Masters program in June. Have you ever watched a video with 100,000 views on YouTube and thought to yourself: “How the hell did that video get so many views?” Chances are pretty good that this didn’t happen naturally, but rather that some company worked hard to make it happen – some company like mine. When most people talk about “viral videos,” they’re usually referring to videos like Miss Teen South Carolina, Smirnoff’s Tea Partay music video, the Sony Bravia ads, Soulja Boy - videos that have traveled all around the internet and been posted on YouTube, MySpace, Google Video, Facebook, Digg, blogs, etc. - videos with millions and millions of views. Over the past year, I have run clandestine marketing campaigns meant to ensure that promotional videos become truly viral, as these examples have become in the extreme. In this post, I will share some of the techniques I use to do my job: to get at least 100,000 people to watch my clients’ “viral” videos.

Goldman Sees Subprime Cutting $2 Trillion in Lending (Update5) By Kabir Chibber Nov. 16 (Bloomberg) -- The slump in global credit markets may force banks, brokerages and hedge funds to cut lending by $2 trillion and trigger a ``substantial recession'' in the U.S., according to Goldman Sachs Group Inc.

One-third of biggest UK businesses pay no taxBy Vanessa HoulderPublished: August 27 2007 22:02 | Last updated: August 27 2007 22:02Almost a third of the UK’s 700 biggest businesses paid no corporation tax in the 2005-06 financial year while another 30 per cent paid less than £10m each, an official study has found.