Facebook is not the first social network but it is the most popular one. There have been many other social networks before Facebook and while some of them were popular at some point in time, none could reach the popularity of Facebook. In addition to keeping in touch with your friends, Facebook can be (and [...]

In 2004, Yahoo engineers published a document about TrustRank. TrustRank describes an algorithm that search engines can use to determine relevant search results. In contrast to the original PageRank algorithm, TrustRank does not solely count the number of links that point to a website but it also considers the authority of a website. TrustRank was [...]