@evan Voted 3, and want to add its sustainability to the mix, thus including the wellbeing of nature and wildlife that this society takes care of (or could care of).
Twitter in the past was unmatched as a source of discovery. Then Musk came in and progressively there were enough web platform enthusiasts who finally arrived on Mastodon. But outside of the web platform, it’s still missing a bit the diversity of Twitter pre-X.
LinkedIn is an absolute source of bad advices for developers. I don’t know about Reddit and Hacker News.
@pettter@jon Not focused on the failures, nor especially in trains in Europe, but the closer I know is probably RMTransit for all stuff rails (mainly at cities-level, so subway and rails, but not only, as this one about DB high-speed trains: https://www.youtube.com/watch?v=Y86JBL37m4M)