Here's a prediction for 2012 you can bank on: the world's data centers are going to be busy, just like they were in 2011. Emerson Network Power has put together an infographic on the State of the Data Center 2011.

According to the infographic (and its sources) daily tweets tripled, people will create 1.2 trillion GB of data and there are more than 509,000 data centers world-wide (PDF).

One of my favorite stats? According to Emerson, a server purchased in 2011 has 45 times the compute capacity of a similarly configured server from 2001.