One thing we have struggled with since Are.na was founded is how to describe it. I'm curious how other active users of Are.na describe it to their friends.
this is the pinnacle of the idea of Are.na:
A zettelkasten is a directed graph, which may be visualized as a forest (a tree with multiple roots). Neuron renders this forest, which may be considered to be an automatic “category tree” that evolves in your Zettelkasten over time.