On September 27, 1998, Larry Page and Sergey Brin founded Google and began their work in the garage of businesswoman Susan Wojcicki. Up to this day, the company has become one of the most powerful in the field of search, cloud computing, productivity software, and advertising, running more than one million servers world wide.
BitTorrent tracker aggregator, dedicated to TV shows, if it airs it's in here (and fast), if you miss an episode you will find it here (they even post webisodes for series that got canceled)
opsdo has two goals - to allow people to search many information sources which mainstream search engines do not cover well and to allow people to search groups of such sources -- e.g. RottenTomatoes, IMDb and Amazon.
Search algorithms & popularity factors: link, social, click, blog, industry. Since modern search engines are concerned with popularity and not direct relevancy, & big firms up the price of text link buying beyond affordability...
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M. Hildebrand, J. van Ossenbruggen, and L. Hardman. International Semantic Web Conference, volume 4273 of Lecture Notes in Computer Science, page 272-285. Springer, (2006)