<http://schema.org/about>
"Today is the 57th anniversary of the invention of the barcode. It's an important invention (even Google changed its logo in celebration) that has changed how we shop, how we ship things, how we organize things, and"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/clean-technology/6-ways-bar-codes-make-us-green-and-one-barcode-scanner-that-cant.html>