[geerlingguy]

I mean, the number of people on this site who could intelligently explain ARP and IP forwarding in detail is probably 10x higher than in the general population—and that percentage here is probably in the low single digits.

[tomjakubowski]

I think you mean the proportion is higher here, unless you mean that >90% of people who could intelligently explain ARP and IP forwarding are HN posters.