<http://schema.org/about>
"The last of four thousand incandescent bulbs were changed to compact fluorescents at Grand Central Terminal in New York yesterday, which will save an estimated US$ 200,000 per year in electricity charges and reduce the amount of CO2 and"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/interior-design/last-incandescent-bulb-slips-out-of-grand-central-terminal.html>