Hey is a startup that is trying to reinvent and reinvigorate email. Apparently, world.hey.com is their blogging service.
But honestly, a post titled "Move the needle or Move on", from a URL that looks like it might be their corporate weblog, looks most of all like a shutting down announcement.
I doubt it. Hey is doing very very well; and so is Basecamp, 37 Signals’ other service.