Yes, parents often participate in PTAs. Parent engagement is a big deal in education.
Yes, in many places in the US there are food trucks. People often enjoy them. Finding out where a given truck will be on Tuesday is useful!
Businesses generally keep Facebook pages in the US, usually as a supplement to a real web site, but also because Facebook has traditionally been where everyone is already.
* lost and found (including pets)
* HOA announcements
* changes to the trash pickup schedule, special trash collections, etc
* other events (Santa parade)
* new neighbor introductions
* recommendations (repairs, babysitting, dog sitting)
* free stuff or stuff for sale
* general advice on house construction (many houses are similar)
It’s not important per se, and not everyone is in the group. But it does come in handy.
I have a few Facebook friends that refuse to post pictures of their kids on Facebook. I also have a LOT of friends that post nothing but.
Do people really participate in something like school PTA and eat often at food trucks?
I guess electronic platforms are more fragmented here in Europe. Google Maps owns business hours, various classified sites (such as Ebay's) own selling stuff locally. But everything might be different in each country really.
I think people have become more vary to post personal things online. I know very little parents that would be okay to publish pictures of their kids online (including on Facebook).