While this might not seem to be a major consideration for home users of toy s/ware - possibly the thesis might penetrate, to those who are also responsible in any business whatsoever.

That your spreadsheet data might not be legible in 2? 4? 6 years down the pike - through er improvements to the basic format; that ditto for your deathless prose, all 42 chapters: ought to strike some chords.

A great way to introduce the idea of open standards for all such data as you plan to keep indefinitely - or must have, in order to ply your trade. ie 'backup' yes! but *what* are you backing up (and how valuable)?


A.