In Hong Kong, after a Category 5-equivalent typhoon hit, the metro system was back up again within two days with apologetic announcements that some trains were slightly delayed due to debris on the track.

Most of the time, it’s the store being open that causes customers to come in. People expect places to be closed on holidays, so they check online. If the store’s listing on Google Maps or whatever confirms it is indeed closed, most people will just say “oh dang, too bad”. If it actually ends up being open then they go, buy their stuff, and then make a sympathetic comment to the employees.

Opinion: When you are trying to build a community it is more important to use whatever platform your users can be found on than to be a purist.