In the latest post on the Stack Overflow blog titled "Stack Overflow Around the World", Joel Spolsky mentions the following (emphasis mine):
One thing we discovered early on about setting up new Stack Exchange communities is that they only work if you have a critical mass of experienced users who know how the system works. The Area 51 process is designed to insure that we only open sites for which we have a group of committed users. This process has worked well: so far we’ve opened 40+ sites of which only two failed.
But I'm not sure I understand what constitutes a failure based on the number mentioned:
- If you only consider officially "launched" sites, I don't believe there are any.
- If you consider sites that made it to beta, there are actually three:
- Of course, if you consider all the proposals that were closed, there are dozens (-ish?) of them.
The closest match seems to be the failed beta sites, so is it just a typo and it really should be three?
Or is there some other segment of SE sites (or even SE sites I'm not thinking of) that Stack Exchange, Inc. considers a failure?