John's Links

A color naming test designed to measure your personal blue-green boundary.

You might have some luck with this service if you leave something behind in a hotel.

Read some advice, leave some advice. But you can only visit the site once.

Details some of the fun shenanigans that went on during the time that One Million Checkboxes was live.

Or you can watch the author tell the story.

Explore optimized prompts for a breadth of business and personal tasks.

See if you can tell which short story was written by a human and which by an AI.

Event in the Netherlands where people on tandem bikes attempt to cross the water on a narrow technical bridge.

Shows the concentration of particulate matter air pollution (PM2.5) in cities around the world.