INTRODUCTION
Over the course of my career (and perhaps yours as well), IT has undergone successive waves of disruptive, even radical, transformation.
If you started working in IT in the 1980s, you would have seen the earliest minicomputers beginning to appear alongside mainframes. Hard-wired enterprise IT networks were beginning to make tapes, disks and other physical media obsolete. Assembler and COBOL1 were still around, but more and more code was being written in Fortran, PL/12 and Pascal.
By the 1990s, IT working environments were upended by AS/400 units and the first PCs. Computer platforms were evolving from being one-per-company to one-per-location, and eventually to one-per-person. We started using relational databases, and the first ...
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