I gave up cell phone service a few years ago (mid-sized USA city).
This seems less-and-less extreme, daily. Free yourselves from your leashes!
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Next time you're standing in line, strike up conversation (about anything) with your ugliest linemate (it doesn't even matter about what, just offline communication)...
Maybe ya'll both like ZFS or "heard about that PHP thing!?" (I used both conversation starters, today – it worked – I can be the ugliest, too).