<http://schema.org/description>
"Firefox 3.6 has new features from HTML5&amp;#x27;s File API. This makes it  possible for JavaScript to read the contents of local files. As an  example, that means showing thumbnails prior to uploading files is now  possible. According to the..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://dailyjs.com/2009/11/30/html5-file-api/>