8 Types of People Who Belong on Twitter
People and companies will often use Twitter as a way to simply feed followers information about their area of influence. A lot of news is now breaking on Twitter before it hits major publications. But you don't have to be first, just relevant and somewhat consistent. A really interesting take on the publisher model is The Brooklyn Museum, which is monetizing their social content and their community by offering memberships to a "socially networked museum membership" for $20 per year.