There has been a lot of talk lately (and rightly so) about the disadvantages of using captcha to stop comment spam.
I’m not a big fan. They’re often hard to read even for someone with reasonably normal vision.
“Is that a zero or the letter O?”
“Upper case C or lower case c?”
Others have suggested some sort of […]

I was at a meeting recently where a teacher gave a presentation about some stuff the school was involved in. And, of course, she used Powerpoint.
Very badly.
I’m sure you have all seen it. Several paragraphs of text per slide. Cheesy animations (and different animations for each block of text). The “handouts” get handed to you […]