Your comment reminds me of people at the turn of the century saying something like: We're at the cusp of BIG advances - very fast steam trains, Zeppelins that c

Your comment reminds me of people at the turn of the century saying something like: We're at the cusp of BIG advances - very fast steam trains, Zeppelins that can transport a hundred people... My point is that what we think is the next big this rarely is. Nobody saw social networking coming in 1999 etc.