Seeing all Reddit apps shut down, I can't help but wonder — what is it that made everyone play by the rules? What happened to the adversarial interoperability spirit? What forces people to use their own API keys instead of pretending to be one of the official apps? I can understand the iOS apps, the App Store hegemony does kinda force this and there were cases of Apple removing apps that interact with an online servi…
More like 20-25 years ago
MSN messenger quickly took over after it was released in '99.
I remember hearing at the time that ICQ remained popular in Russia and other Eastern European countries for much longer than it did in Western Europe though.