It's also a good way to show that Mac users wear shoes while using Macs at all times: just visit any Starbucks, or airport or school, nobody's using Macs barefo

It's also a good way to show that Mac users wear shoes while using Macs at all times: just visit any Starbucks, or airport or school, nobody's using Macs barefoot. Did you happen to hear the term "selection bias" before?