Vernacular speech is pretty crazy stuff. “Drinking the Kool-Aid” is a metaphor for embracing something fully, often unthinkingly. This metaphor has its roots in either psychedelic drugs or mass religious suicide. Take your pick. Anyway, with that, I’ll cop to two new social-software, web two-point-oh oddnesses. The first is Yahoo! Mash, YASN. I’m not sure…