This article is an incredible oversimplification. Personalisation is effective. I've tested enough personalisation campaigns to be convinced. And as a counter

This article is an incredible oversimplification. Personalisation is effective. I've tested enough personalisation campaigns to be convinced. And as a counter argument to Youtube/Instas algos. The reason TikTok has become so popular is that it simply better at personalising content, than say instagram reels.