# Hype Mining
You could start looking for Leonardo Ideas from potentially impactful ideas that *felt* like they were in the adjacent possible in the past and precisely identify what constraints prevented them from existing.
This takes advantage of criteria #1 from the fact that [[Leonardo Ideas can be systematically identified]] (*Would be impactful if existed.*) and is depending on past excitement both as an indicator of impact and that the idea might be in the adjacent possible. People get excited about things that feel possible.
**Practically, this could involves**
* Digging through old issues of publications that capture [[Hype Cycles]] like Wired and Popular Science.
* Reading through old journals.
* Talking to industry experts
**Ideas to Dig Into**
[[Why don’t we have ground effect vehicles?]]
### Related
* [[Hype Cycles]]
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