I was reading about how TikTok basically took over social media in the early 2020s, and I'm curious about the history here. Instagram had Reels and YouTube had Shorts, but somehow TikTok's algorithm just completely dominated. What made their approach different from what Meta and Google were doing?
I noticed TikTok was already huge before Reels and Shorts even existed - it had years of head start building its algorithm and user base from like 2016 onwards, so by the time competitors showed up, the platform was already the go-to place where creators and audiences wanted to be. The algorithm itself was genuinely better at figuring out what people wanted to watch, feeding you stuff from creators you didn't follow rather than just prioritizing your friends' content like Instagram did. Plus TikTok's whole vibe was built around discovery and entertainment from the ground up, whereas Meta and Google were retrofitting short videos into platforms designed around social graphs and search - they were always playing catch-up trying to keep people on their existing apps instead of going all-in on making the best short video experience.
The real difference was that TikTok's algorithm actually showed you stuff from creators you didn't follow, while Reels and Shorts initially leaned hard on content from people you already followed - which is a fundamentally different experience. I got curious about this a few years back and made a test account on each platform with zero follows, and TikTok started feeding me genuinely engaging videos within minutes, whereas the other two felt like empty rooms until I hunted down accounts myself. By the time Meta and Google built out their discovery algorithms to compete, TikTok had already normalized the idea that a short-form app's entire purpose was algorithmic serendipity, not just a feed of your friends' clips. That's a harder habit to break than people realize.
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