In my area we use them mostly to keep the sun out. It's getting less effective with climate change so most of my neighbours have been installing air-conditioning as well, at least for the bedroom.
Got my parents to message me through signal but nobody else. They're 67.
Rest of my contacts are in two different countries. One country is all facebook messenger and the other all whatsapp.
Piko keeping SO company while WFH
He's 8 years old and a big cuddler