Customize: Sotto reading app explainer

The prompt comes from a post by @1stnoel_. Watch the video

Make it yours

Everything is optional. Your details stay in this browser and carry over to the next prompt.

The highlighted part at the end is added from your details and dials. Where it disagrees with the prompt, it wins.

Make a 1-minute educational video about https://readsotto.app/ with synthesized voice narration.

For best results, run it with Claude Opus 5.5.