The “year” estimates are at about 2-3 hours of usage a day. Judging from all people I know, 8+ hours/day is much more common. Hence, 22 years is really around 3-5.
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The “year” estimates are at about 2-3 hours of usage a day. Judging from all people I know, 8+ hours/day is much more common. Hence, 22 years is really around 3-5.