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The Cookie(-Less) Monster

 Most of us know about cookies, small pieces of data sent from a website and stored in a Web browser. These cookies enable sites to learn information about your location and browsing history. And while a user can disable cookies, a method called device or browser fingerprinting can identify users even without cookies. What is Device Fingerprinting?

This method properties (without relying on cookies) from PCs, smartphones and tablets to identify and track users, even if they enable the “do not track” option.
When a phone, TV box or computer turns on, certain items and characteristics of a browser’s environment make it unique, such as:

Screen dimensions Browser version List of plugins (like Flash and Java) List of installed fonts Clock What the browser talks to

Device fingerprinting can then identify or partially identify the user through those characteristics.
Users who could be identified and tracked without cookies

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