Articles
Data-backed commentary on market gaps, unsolved problems, and builder opportunities.
BuildersFoundersWaste Management
Your recycling probably isn't being recycled. Here's the data.
Pieter Levels put an AirTag in his plastic recycling to track where it ends up. His experiment surfaces a much bigger problem: we have no idea if our recycling actually gets recycled. PainSignal data shows this is just one of 147 waste management issues people want solved.
via Pieter Levels Blog·Jun 1, 2026
FoundersBuildersWaste Management
Your AirTag Recycling Test Is Just the Beginning: Here's the Real Opportunity
Pieter Levels' viral AirTag experiment exposes recycling's dirty secret. But labeling it all a hoax misses bigger problems—and bigger opportunities. PainSignal data shows exactly which waste streams need disruption.
via Pieter Levels Blog·Jun 1, 2026
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