Isn't it more likely he has your mother in law's/your wife's/your phone number programmed into his phone and shared his contacts with Facebook? It seems like t

Isn't it more likely he has your mother in law's/your wife's/your phone number programmed into his phone and shared his contacts with Facebook? It seems like that is the source of 99% of 'creepy' Facebook recommendations: Facebook doesn't realize that while 'has phone number' is a great indicator of 'knowing somebody' it has poor transitive properties.