I built a useless app that plays creepy sounds
I got bored working on my 34th & 35th startups 😵💫 so I built an app that plays a creepy sound whenever I open or close my laptop. It’s called McCreep, and it’s useless. github.com/marclou/McCreep
@marclou · May 20, 2026
I was amazed by @tonnoz's story (he's awesome follow him!) and he made me curious about MacBook's sensors. AI told me it's possible to detect the display angle. macOS exposes it through HID (Human Interface Device), so I built a random app on top of it
Rob Hallam@robj3d3 · May 17, 2026Toni had $0, a laptop, and 60 days.
He made $44K from a MacBook-slapping app. Here's the playbook:
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