Email, we love to hate it, yet we hate to love it. For better or for worse, we are tethered to our inbox and continue to send messages and respond to those individuals and organizations to which we’re tied or vested. Over the years, I’ve labeled email as the world’s largest untapped social network and even though many services attempted to socialize the inbox over the years, email, for the large part, remains regressive. For the time being, brands and…