New information technologies have transformed world politics, and not always for the better. Even trying to understand how technology connects us reveals the strengths and weaknesses of the Internet. To understand what the Internet is becoming, let’s start with some basic questions—how big is it and how big will it be? In his two-part series for Brookings Institute's blog, Director of CMDS, Phil Howard examines what the Internet is becoming, how big the Internet of Things is and what the future may hold for us.