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Re:Introducing Anonymous Login and an Updated Facebook Login by Reedx on Wednesday April 30, 2014 @04:48PM (#7676328)
How would cookies solve it considering that they are temporary?

Even if the cookie expiration was set for 100 years, it's going to disappear the moment someone switches their browser, gets a new computer, clears their cookies, etc.

Re:Introducing Anonymous Login and an Updated Facebook Login by placeybordeaux on Wednesday April 30, 2014 @05:12PM (#7676479)
Not to mention that this does nothing for having the same login for phone and browser.