Hashtags provide a way for others who are interested in a particular topic to see what you have to say even if they're not following you. In other words, it allows people to follow topics rather than each other.
nd here are three of a growing number of remixes that have been created since, effectively illustrating that Colbert got exactly what he wanted in the first place. I mean really. Who wouldn't want free exposure and advertising created and liberally promoted by fans that would willfully work for the tribe?
Pure genius.