Knowledge
Are.na
A social tool for collecting without demanding a performance.
Why it's great
It makes attention feel slow and shared. The empty space is part of the product.
Interesting interactions
Channels, blocks, and the soft friction of adding something by hand.
Interesting architecture
A simple vocabulary that scales through relationships rather than features.
Interesting business model
A small paid membership that keeps the incentives legible.
Lessons
Design for the pace at which people actually notice things.