It no longer respects geographical preferences. Here in Estonia, if you go on OkCupid from Tallinn, you see about 30 Finnish people from Helsinki (across the sea, 80 km away) before you encounter a local (you also get 30 likes from Central Africa and South-East Asia).
It also has the card stack system now.
The question system remains and remains helpful, just the rest is broken.
Yes. Every country on the eastern shore of the Baltic Sea has recently left the land mine ban.
Unlike Ukraine, we don't have hundreds of kilometers of space for a strategic retreat. So if signs start indicating that an invasion might come, border areas will have mine fields.
If it comforts anyone: many modern land mines have electronic detonators. They can be designed to become inert after a set amount of time, or when their battery runs out of juice. Old models had mechanical / piezo detonators, and could survive decades in the right conditions.