It is possible this software, or similar browser add-ons and extensions, are affecting the appearance of BBC embedded video on your PC.

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You'd have to add a couple of zeroes to that if you wanted to buy similar software from EMC or other large vendors.

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Normally the Microsoft device can only scope body and full mitt movements, but the research company was able to track individual fingers with a Kinect or similar sensor, plus its custom software, allowing a user's hand to become a more finely tuned controller.

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But most of those sites still remain vulnerable to SQL injection--meaning the same group of hackers or a copycat group could use similar techniques to redirect the sites' visitors to another server hosting malicious software, Danchev argues.

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One way would be to use image manipulation software - such as Photoshop or Paint Shop Pro - to create a fake message that would look similar to the original, but with different content.

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Books lend themselves particularly well to an Internet-selling tool known as "collaborative filtering": Amazon and other Web vendors ask you to name some of your favorite products -- in Amazon's case, the books, authors, or genres you like best -- and then the retailers' software program tells you what other people with similar tastes liked so you can add to your shopping list.

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