Pins Collective - Digital wearable screen / pin to display art or messages.

Duplicate - I swear it didn't show up when I searched for it before I submitted this. :/ Go upvote here instead: https://www.producthunt.com/tech...

It's expensive, and it's not as bright as it needs to be to be useful. An OLED screen would be significantly better (even at the cost of reduced battery life)