User consent and legality of spyware
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Gaining unauthorized access to a computer is illegal, under computer crime laws such as the United States Computer Fraud and Abuse Act. Since the owners of computers infected with spyware generally claim that they never authorized the installation, a prima … Read More

Commercial uses of spam
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The most common purpose for spamming is advertising. Goods commonly advertised in spam include pornography, unlicensed computer software, medical products such as Viagra, credit card accounts, and fad products. In part because of the bad reputation (and dubious legal status) … Read More

Spyware, “adware”, and tracking
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The term adware frequently refers to any software which displays advertisements, whether or not it does so with the user’s consent. Programs such as the Eudora mail client display advertisements as an alternative to shareware registration fees. These classify as … Read More

Adware
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Adware or advertising-supported software is any software package which automatically plays, displays, or downloads advertising material to a computer after the software is installed on it or while the application is being used. An example of mild adware Well-known adware … Read More