Ergo – it appears there is time to invest money and time to get profit from it; getting a sort of amortization for your business. Let’s say (since 1965), a fifty years time window. It is acceptable for somes; for others – working around TTM and investing daily, it isn’t enough: I mean a stop of 15 years investment – dot. We neither see a future for ie. VR – the last invention of that crucial period. But in what makes IT successful..