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It's so non-obvious that 60% of the entire population of the Earth uses it.
by realce 4y ago
It's so non-obvious that 60% of the entire population of the Earth uses it.
- JohnFen 4y agoThat doesn't support the thesis that it's "fundamental to social engagement". I understand that it actually may be in some places, but I haven't seen a reason to think that's the most common case.