There are 10 types of people in this world?

Question

Those who know binary and those who don't.

;)

Answer 1

There are 3 types of people in the world. Those who can count, and those who can't.

10 is a symbol equivalent to the first power of the base in a place-value system, regardless of the base. If the base is 2 (decimal), then 10 (binary) is 2^1, or 2 (decimal). Hence, there are 10 (binary) types of people....

Answer 2

Ah yes...

and there's no place like 127.0.0.1

Answer 3

And those who type "2" don't know binary.  

Answer 4

There are 2 types of people in this world?

Those who know binary and those who don't.