In this presentation, Felienne Hermans makes the point that spreadsheets themselves are already a programming platform with a wide audience, all that is lacking is tools for &quot;compile-time&quot; validation, refactoring and testing: <a href="https:&#x2F;&#x2F;vimeo.com&#x2F;145492419" rel="nofollow">https:&#x2F;&#x2F;vimeo.com&#x2F;145492419</a>