Having a fruit requires you either gather it or plant it. It requires significant effort from your side.
Having a chicken requires you to either hunt it or breed it. It requires significant effort.

We had a society functioning without money 10k years ago. Hunter-gatherer human societies were functioning fine for 90k years. :-)

But to build a civilization you need an effective exchange of goods. The mean to effectively exchange goods is called money.
It does not matter whether it is tangible or hypothetical. It's a matter of agreement.
Yes - it's very unfortunate that we chose to use debt as current money representation. I'm all for dropping fiat money.


Ahhh... The Venus Project. We finally know where you get all this bull*it from.
Don't you see that Venus Project is just modern incarnation of Communism? The idea is as old as the civilization. It just wears science-fiction clothes today.
This is exactly what Platon, Bakunin, Marks were talking about. Modern slaves (machines) will provide for people, so we will live in joy and happiness.

If you are really interested in post-scarcity economy, see what world OSE people are building. http://openfarmtech.org/wiki/Open_Source_Ecology
This is more realistic.