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Legality- As you've probably figured out by this point, digital fingerprinting can be a powerful -- perhaps even invasive -- technology. Do you like the thought of your every online move being tracked, even if it's only for the purpose of targeted advertising? Here's a better question: Is it even legal? Identity tracking fingerprinting treads on shaky ethical ground that may be deemed overly invasive and unlawful in the future. But because it's a developing technology, those legal issues are still being sorted out. And with the Internet being a global network, laws regarding digital fingerprinting may develop completely differently from one country to another. According to Canada's guidelines, a digital fingerprint likely constitutes personal information, so usage of that information could be in violation of Canadian privacy laws. Canadian organizations are required to exhaust every possible non-invasive method of personal identification before resorti...

Digital fingerprinting is the identification of large data files or structures using truncated information. A fingerprinting algorithm is one that reduces a larger data set to a very small data set, sometimes called a bit string, to promote efficient identification and search protocols. One type of common fingerprint algorithm is called a hash function. These functions change a larger data set, sometimes known as a key, into a shorter data set, which may be called a hash. These altered pieces of data help make search techniques more agile. One type of digital fingerprinting application is related to new digital media files. Experts note that digital fingerprinting helps a user locate a specific file to verify whether a file has been altered, while actually facilitating copyright protection. This involves using a fingerprint identifier to conduct protected file searches for other online file instances. Digital fingerprinting plays other roles for average end users, such as ...