Not too sure about it. What I mean is that most of those software companies rise to the top in the last 20 years or so, and a lot of what is deemed worthwhile t

Not too sure about it. What I mean is that most of those software companies rise to the top in the last 20 years or so, and a lot of what is deemed worthwhile technology already existed at the time, be it Java, Ruby, Python or else. What did evolve is the arrival of the client side frameworks. It's a change, but is it better? I don't think there's enough evidence today to definitively say so.