Hemos estado enreando en el espacio de la P2P Foundation, tremendamente interesante, como siempre y nos  hemos encontrado, topado con este artículo de

According to the founders, such schools emphasize:
* Practical Skills (action over abstraction, enthusiasm over experts)
* Reciprocity (everyone has something to share: anyone can teach, everyone can ‘afford’ the barter because it includes labor)
* Rigor + Humility (unempowering and empowering work for all)
* Community Space (share food/tea, make furniture, you know the organizers because we are sitting in class with you)
Here are details from interviews posted on the site itself:
“How did it start? Where did you come up with the idea?
It all started because three of the five co-founders of OurGoods
(Louise Ma, Rich Watts, Caroline Woolard) were given an opportunity to
work with GrandOpening, and we had a wild brainstorm session about many
possible barter storefronts. We decided that “barter for instruction”
had a lot of potential.
So, from February 25th to March 1st, 2010, we ran Trade School at
GrandOpening in the Lower East Side. Over the course of 35 days, more
than 800 people participated in 76 single session classes. Classes ran
for 1, 2, or 3 hours and ranged from scrabble strategy to composting,
from grant writing to ghost hunting. In exchange for instruction,
teachers received everything from running shoes to mixed CDs, from
letters to a stranger to cheddar cheese. We ran out of time slots for
teachers to teach and classes filled up so quickly that we had to turn
people away. This made us think, “we should keep doing this!”
.. estaremos pendientes ...
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Fuente: [P2PFoundation ]