A few other comments have raised this point, but Big Data is basically the new Web 2.0. Aside from being a buzzword, as a term it's so nebulous that half of the

A few other comments have raised this point, but Big Data is basically the new Web 2.0. Aside from being a buzzword, as a term it's so nebulous that half of the articles about it don't really define what it is. When does "data" become "big data"?