# In Software TRL3-9 are obscenely compressed
You can get away with things in software like mixing TRL3 and TRL 7 - possibly giving a proof-of-concept system to a customer to use on their own.
This happens for several reasons
* The consequences of failure are very low
* The costs are very low
* The iteration time is high
Because of this [[VC funded startups blur the line between what can fund R&D because of the compressed TRL of software]]
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