Demos 2,3 y 4 para wip-mrchacon #aggregate
Demos 5,6 wip-mrchacon #aggregate
Revert "Demos 5,6 wip-mrchacon #aggregate"

This reverts commit 9cf8f64bf05037cdb68b259cd60f7455f9021e04.
Demos 5 y 6 para wip-mrchacon #aggregate