The distinction being made here is not technical but conceptual. Data is what we care about, meta data is how we reference what we care about. Really, the dif

The distinction being made here is not technical but conceptual. Data is what we care about, meta data is how we reference what we care about. Really, the difference is between "data we can parse" and "data we can't parse (quickly) or isn't even there." At least, thats what I think he means.