> The way other commenters describe it makes it seem like it's fairly often.
There's almost always a line at them when I walk by in the stores in my area. Usually, the line there is about as long as the lines at the manned checkouts.
There's almost always a line at them when I walk by in the stores in my area. Usually, the line there is about as long as the lines at the manned checkouts.
Although I agree just-walk-out scales well with demand.