Spreadsheets somehow hit a vein with the public, so that tells you something. I've been kind of obsessed with the Tup build system, and in trying to distill wh

Spreadsheets somehow hit a vein with the public, so that tells you something. I've been kind of obsessed with the Tup build system, and in trying to distill what it does into one sentence, I find it helpful to say, It's like a spreadsheet for files, where the formulas are shell commands. Even though I can grok FRP on its own, I still find that analogy helpful.