So they Kevin Bacon it? (https://en.m.wikipedia.org/wiki/Six_Degrees_of_Kevin_Bacon) Has anyone generated enough fictitious people to determine the number of degrees they'll go to? I would imagine at 4 hops the list gets huge and well outside your personal circle but it'd be interesting to see some studies.
I strongly believe so. There are people who I know of in passing in real life (we exist in same extended social circle, but who I have never really spoken with), but as we have lots of mutual friends they come up as suggested matches for me on facebook.