This is such a great picture of a commercial programmer working on her program design back in the day and if I had seen it when I published my book I would have given it a whole page to itself. Her design tools are a pencil and a flowchart template with which to draw a flowchart of the program's logic. When that's done she will re-use her multi-purpose design tool - the pencil - to write the program's source code to implement her flowcharted logic design on printed coding she

I recently said I would summarize research into who contributes to open source software projects and why. I would have included such information in my book but when it was published I had no access to the research. But finally - here it is - and it can be considered as an addition to paragraph "Open Source" on page 166.

If when I published my book I had been aware of Bill Gate's 1996 quote ...... "We always overestimate the change that will occur in the next two years and underestimate the change that will occur in the next ten" .... I would have included it on page 162 when discussing the end of the overhyped Dot.Com era and included a backward reference to page 20's mention of Moore's Law. It has proved to be totally true in the real world, particularly in the field of technology de

Yes the blog is back after a time of being offline when our intrepid author went on a pilgrimage back to his roots to seek fresh enlightenment. He went, of course, to Logic Lane. There he realised that as time goes by since the publication of his book he keeps coming across information he would have included in the book if it had been available and/or he had known about it at the time. The solution? Bring the blog back and publish the fresh information as blog posts.