All is not well in the app ecosphere. That ecosphere comprises a large number of useful apps that benefit users, and an unknown number of apps that deceive users. The latter are sometimes described potentially unwanted programs, or PUPs. Both categories need to make money: good apps are upfront with how this is achieved; deceptive apps hide the process.
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http://feedproxy.google.com/~r/Securityweek/~3/67Wym2MW0Y4/behind-scenes-deceptive-app-wars