I love this joke

Question

There are 10 types of people in this world. Those who understand binary and those who don’t

Answer 1

there are 2 types of people in this world.
one who are stuck in binary and others who have moved beyond.

Answer 2

1 and 0 ,
well , when you upgrade that joke means ,
1 + 1 = 0 ,

depends which person are 1 , it will become otherwise.
happy binary.