Every state has some beauty. Ohio has Cuyahoga Valley and Indiana can see the Chicago skyline across Lake Michigan.

4000 acre?

Clearly the smart glasses wearer will just wear a shirt that outlines their TOS and that by interacting with them, you agree to be recorded.

Very slowly from a normal outlet - like over a day to fully charge the battery

100%?

I have snow guards on my metal roof in Wisconsin. They work pretty well. Light snow slips under them but they’re good at holding the heavy snow that would take your gutters off.

I have the ones that look like horizontal bars.