It also works just as well to leave your phone at home and go for a walk. We existed for a long time with just landlines; you weren't at home when Bob called? T

It also works just as well to leave your phone at home and go for a walk. We existed for a long time with just landlines; you weren't at home when Bob called? That's fine. Just because we _have_ cell phones, we're not required to be accessible 24/7.