Now reading The Master Switch: The Rise and Fall of Information Empires by Tim Wu, who makes a good case for the cyclical nature of communication markets. First you have invention, followed by anarchy, followed by increased control, followed by even more control, followed by monopolies, followed by new inventions that overturn the monopolies and launch the next cycle. I routinely tell my clients that now is the time to leverage the potential of social media -- not because social media has reached a perfect state, but because it's still virtually free. Give the network providers another couple of years and they'll figure out how to charge you for blogging. Now is the golden age of free social media -- make the most of it while it lasts.