If this is confirmed, this could be important. The Dunbar Number is cited a lot -- the maximum number of strong tie relationships that humans can maintain is hypothesized to around 150 (no matter how many Facebook Friends you have) -- Howard
"Why Strong Ties Matter More In a Fast-Changing Environment
Marshall Van Alstyne (Boston University), interviewed David Kiron
April 3, 2012
It has become accepted wisdom that weak ties — your acquaintances, distant colleagues — can provide more novel information than close ties. But new research by Marshall Van Alstyne, associate professor at Boston University and a visiting professor at MIT, suggests that in some cases strong ties are better."