The idea of the technology industry being dominated by monopolies is so widely held that it has monopolised much thinking, from investors' strategies to antitrust watchdogs' legal briefs.
Kaunitz rose to prominence as Austrian ambassador to France and became State Chancellor and Minister for Foreign Affairs in 1753, posts he would effectively monopolise for the next forty years.
Others however came up in twos and threes, talking fast, and monopolising the whole of the pavement; and all, with a similar gesture, flung away their cigarettes or cigars before crossing the threshold.
Tech executives spouted a very grand vision of how they would reshape society but their rhetoric often clashed with the hard reality of what they were doing, which was to sell advertising or monopolise users' time.