I've always thought - and described PC's as mini mainframes. Even the software we run on them is mainframe derived - Unix and VMS. The mobile/tablet is truly t

I've always thought - and described PC's as mini mainframes. Even the software we run on them is mainframe derived - Unix and VMS. The mobile/tablet is truly the first "personal computer", which we've barely tapped yet. I am hopeful, but at the moment we haven't gone much beyond what we could do with very efficient punch card sorting.