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There are a number of ways. Cookies are one, but you can also collect other kinds of data from a web browser to uniquely identify a user across multiple session
by Sir_Cmpwn 9y ago
There are a number of ways. Cookies are one, but you can also collect other kinds of data from a web browser to uniquely identify a user across multiple sessions. Generally speaking, if you can run JavaScript, you can track the user. This is done by all advertisers and most little widgets like Facebook or Disqus comments, like and tweet buttons, etc.
- amelius 9y ago> This is done by all advertisers and most little widgets like Facebook or Disqus comments, like and tweet buttons, etc. Why isn't this illegal already?
- notalaser 9y agoBecause it's highly lucrative.
- oneplane 9y agoAnd because it's very functional and easy at the same time.
- JumpCrisscross 9y agoMost people don't know nor care about the issue.