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How TikTok Sees Inside Your Brain

Thursday July 22, 2021. 05:21 PM , from Slashdot/Apple
How TikTok Sees Inside Your Brain
A new video investigation by the Wall Street Journal finds the key to TikTok's success in how the short-video sharing app monitors viewing times. From a report: TikTok is known for the fiendishly effective way that it selects streams of videos tailored to each user's taste. The algorithm behind this personalization is the company's prize asset -- and, like those that power Google and Facebook, it's a secret. WSJ created a batch of individualized dummy accounts to throw at TikTok and test how it homed in on each fake persona's traits. TikTok responds most sensitively to a single signal -- how long a user lingers over a video. It starts by showing new users very popular items, and sees which catch their eyes.

Read more of this story at Slashdot.
rss.slashdot.org/~r/Slashdot/slashdot/~3/uyTIfq4x0X4/how-tiktok-sees-inside-your-brain

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