also social interactions doesnt require money if the virtual ledger representing the value provided each other remain balanced (because high volatility but strong trust like families, or because low volatility and low value on stake, like people interacting and talking...).
Zapping is cool, but agree with your vision.
I frankly think could be also a disincetive to the shares of ideas. I could have send you less than 1 cent, what really would you got it? Instead, if you have time a want to read heres some ideas. If you like it and want more of my ideas, lets have more interactions.
Money is an instrument to make transactions efficient, here would add inefficiencies to the "trade".