What explains why apps go viral, ultimately
None of this is really about technology. It’s about how attention moves through a crowd — fast, low-effort, and driven by what makes someone look interesting for fifteen seconds when they share it.
The apps that keep coming back aren’t smarter. They’re just built around a much more honest understanding of why people actually share things in the first place — and that understanding tends to matter more than any individual feature they ship.
This same logic explains a lot of what spreads beyond apps too. [Why Old Internet Jokes Keep Coming Back From the Dead]