Is everyone separated by 6 degrees of separation?

Question

Is it true that everyone in the world knows each other by six degrees of separation ie I know your mum's best friend's cousin's best friend's aunt because you know your mum, she knows her best friend etc...Does it work on every one? My friend told me is she having me on?

Answer 1

i think thats true that if i knew my best friends mom that sumone that knows her knows my mom and then me  yea what i said

Answer 2

of couse. but there are endless possiblitiies