"Battle Big Data" Reading notes (ii) Cookie recognition user behavior is outdated

"In this age of information pluralism, the mere use of cookies to identify user behavior has become obsolete. ”

Recently asked questions, why search for a keyword, open other sites will also receive this keyword-related promotion it?

So the Internet access to information, presumably with a cookie can be achieved.

However, I just learned that the knowledge, in the book written a few years ago has been called "outdated" way, can not help but deeply sigh the times change quickly, really is a moment to relax, to learn more, learn more, learn more ~

"Battle Big Data" Reading notes (ii) Cookie recognition user behavior is outdated