Stay with me for a few minutes because where young people are actually spending their time online these days is less about the most viral clip and more about the ecosystems that allow them to belong, learn, hustle, and hide. If you understand this shift, it will change your perspective on attention, community, and power on the internet. Imagine waking up one morning to discover that the platform that taught you how to speak in 15-second bursts has dimmed, and your online life — your identity, your friend groups, your side hustles — has to be rebuilt from various rubble. The tale of life after TikTok is one of fractal dispersal rather than a single migration: some of the behaviors that TikTok emphasized, such as short attention spans, snackable creativity, and influencer entrepreneurship, have dispersed into niche environments where survival is determined by niches rather than mass virality. Mentalists observe it in the signals, the patterns under uncertainty that show how influence is covertly reconstructed, while psychologists first discover it in the quiet metrics: time spent in synchronous places, the emotional valence of encounters, and the depth of identity work. Young people are less fond of monoliths and more inclined to create multiplex online lives made up of overlapping platforms that satisfy various psychological requirements, according to…