<http://schema.org/about>
"It might seem obvious that we need to be more intelligent with our water use. So obvious that the smart water technologies market is projected to be a $16.3 billion industry by 2020. But what does smartening up our water"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/clean-water/cute-animation-explains-why-smarter-water-use-is-smart-video.html>