It really is all contingent on who you circle. There are a ton of active photographers and at least a handful of hydrogeologists regularly using Google+ in addi

It really is all contingent on who you circle. There are a ton of active photographers and at least a handful of hydrogeologists regularly using Google+ in addition to all of the programmers. It's akin Twitter in that regard: apparently the celebrity accounts are a huge draw for an enormous set of Twitter's users, but I'm effectively oblivious to that aspect of the site.