Entrepreneur Vaults on Instagram: "Tik Tok CEO Shou Zi Chew explained that Tik Tok’s algorithm is fundamentally mathematical, based on pattern recognition and collaborative filtering. It doesn’t show videos based on who you know but on “interest signals” like what you watch, like, and share. The system finds people with similar tastes and recommends videos liked by those users, predicting what you might enjoy before you even know it. Chew emphasized Tik Tok’s unique vision to prioritize content