I'm collecting stories of speed of learning to include in my book.

By speed of learning, I mean how long it takes to you to learn things. How long to run experiments (intentionally or unintentionally), get the results and learn something new.

I'm after happy stories of success as well as sad stories of failure.

e.g. At Wooboard we used post-it notes for our first version and put them on the wall. It took us 3 days to run the full experiment and we learned a lot.  While at Tangler, we took 18 months to launch the product and then we learned a lot but it was slow.

Some specific areas I'm looking for stories around:

VUCA World means faster learning (volatile, uncertain complex, ambiguous)
Failure to SOL
Successful SOL
Scientific Learning and speed
Learning laps - doing it over and over
Tools to learn
Individuals
Managers and teams learning
Businesses learning
Social impact learning
Learning on learning
The future of learning
Compound interest
Trade offs
When is faster worse?
Going in spirals