<http://schema.org/description>
"&lt;p&gt;Writing \u201900 instead of \u201999 reminds me of the importance of zeroing out the measuring instrument or gage before starting to make a measurement.  Zeroing sets a reference point from which all subsequent measurements are made. &lt;/p&gt;"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mmsonline.com/columns/starting-from-zero>