Not infrequently the task in hand leads to extraneous sideroads and backwaters in related disciplines. Where these are interesting and potentially useful, we like to see if we can use more widely any expertise we have gained along the way.
That has led us into other spheres; the two most significant being:
Many innovative businesses need software that cannot be picked off the shelf. In such cases, we have many times developed our own, while trying always to base this on standard software packages, rather then completely 're-invent the wheel'.
Sometimes this may also have wider application as outlined here.