Yeah, possibly the most expensive wedding I’ve been to was one where they (rather, the parents) could afford it. And it was lovely — it was first and foremost a party for friends. No dress code, great food, and the only “micromanaging” by bride and groom was to make sure guests were enjoying themselves/remind us that the bar was open. Vows weren’t even a part of the wedding (small, family-only).
There’s something similar on some bicycle computers, e.g., Wahoo’s Find a Friend: https://support.wahoofitness.com/hc/en-us/articles/115000387844-Find-a-Friend-feature-on-the-ELEMNT-BOLT-ROAM
Not sure the extent to which it shares information though.
As others have mentioned, a few possibilities (I’m in the US, not sure how specific this is):