Apple and Google have been in combat for some time. Apple has announced new protections from cookies, especially from third-parties. Google has even announced it will stop using cookies... in a couple of years! So they put
their programmers to work in designing a different way to collect and monetize the data we literally give them whenever we use their apps. "There (still) ain't no free lunch."
Even if we are addicted to FB, Tweet, What's DUH?, etc.
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