That’s ominous, but more importantly Pinboard is a one person show and that person is no longer responding to support emails. Maciej is no longer active on social media that I know of. His Pinboard.in support forum has been quiescent for years. I’ll be researching my micro blog options and I’ll write about what I come up with on tech.kateva.org.
Source: Gordon’s Notes: The End Times have come for the Pinboard.in bookmarking service
So much for the man gloating about buying out del.icio.us. He doesn’t even need to sell the service. He can be “the founder” with just one or two full-time people working under him to make the service viable for the next 10 years and beyond.
On the linked Hacker News thread there are some alternatives worth looking into, most of them self-hosted.