I just added the 1000th entry to the Bugzilla Installation List. Almost all of that list (a few were originally found by web trawling) is made up of companies who took the time to get in touch with us and thank us for writing Bugzilla. Which is really encouraging. :-)
I prune the list every few months to remove dead links and defunct companies, but of course we can’t tell if a company stops using Bugzilla and doesn’t tell us. Then again, Max tells me that, from update pings, he can tell that there are at least ten times that number of active installations out there. So the figures have uncertainty in both directions.
Still, it’s a pretty cool milestone.