Will This Industry Surprise in 2013?

Every now and then I scan various Exchange Traded Fund (ETF) options to find out what is working to determine if new trends are emerging. During this scanning process I recently came across a very interesting industry that looked quite promising to me. It has been wise for investment professionals to ignore this industry over the past six years, but this year could be different. Fair warning: Before I proceed, you need to leave your opinion at the door.