Ah, thanks, I didn't find any reference to that from a search (found a messaging app).
They used repeaters on street lights as part of the infrastructure, and even after the company went belly up people were able to use the repeaters for private networks. Pretty slick for the mid 90s.
alt Hacker News
They used repeaters on street lights as part of the infrastructure, and even after the company went belly up people were able to use the repeaters for private networks. Pretty slick for the mid 90s.