In praise of the spreadsheet

Spreadsheets are amazing. They are arguably a Turing-complete programming language (only stretching the definition slightly). There are definitely as many spreadsheets as people in the world, and I'd even guess there are over a trillion actively used spreadsheets out there somewhere.

Simple touch-friendly HTML menus (using javascript)

I have a website with a two-level dropdown menu (it's not this one!). I want it to be slick, so I used CSS to only show the submenus when the user was hovering on the relevant parent menu item. This was great, until I realized people liked to access my website from their phones. The only way to reveal the submenus using a touch screen is to click the top menu item, but that will activate the link and change the page before you can find the link you want.

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