Six Degrees patent
The patent was sold along with SixDegrees to YouthStream Media Networks in 2000 and later to Reid Hoffman of LinkedIn and Mark Pincus of Zynga and Tribe . net for $700 , 000 at an auction in 2003 . 
<triplet> LinkedIn <subj> Reid Hoffman <obj> author <triplet> Zynga <subj> Mark Pincus <obj> founded by