Weirdly Josh Harris went on to attempt some sort of project which wasn't that dissimilar to nostr, in ethos at least.

No idea what happened to him or what he's doing now, this video is 10 years old:

https://youtu.be/RQlzyM5Xne4

This video is 8 years old:

https://youtu.be/L3__Tz1pVHc

nostr:nevent1qqszqqrk0g5xq5l6k28p6jpc85wnhp0nzpkfgzuqnv7yccwrm70vugspz4mhxue69uhhyetvv9ujuerpd46hxtnfduhsyg8warusy3zcn27g22czgjf6qa6jy9ts2lnd2etc3kxsj3ems8g54ypsgqqqqqqscfz6a9