Dalton Caldwell kicked up a fair bit of discussion with his post on paid-for services including a defense of free by my partner Fred. Here is a slightly different take on the issue at hand when looking at “media” style services (Facebook, Twitter, Tumblr, etc). Let’s start off by looking at advertising. At its core it is the routing of attention. You are looking at a newspaper, magazine, TV show, web site, web service (giving your attention to it) and one or more ads are trying to capture you...