[jawngee]

We dropped PHPBB and moved to Jive Forums several years ago, as the costs of weekly updates and surprisingly regular break-ins easily outweighed the cost of licensing Jive's software. However, moving away from the forum required data migration, which was difficult and time consuming.

And that's not a personal anecdote? You aren't particularly jaded? I don't understand why I would have a jaded view of the short and long term costs involved. You'll have to explain. I'm not a PHP developer, btw. I consult across a wide variety of technologies and have done so for the last 15+ years. I would have certainly been better paid for that particular gig had I stuck with C#.

It would make sense that Apple and Amazon use Jive since all of their web properties are largely Java based, why step outside of a core competency?

[jawngee]

And just to be clear, I would never recommend any PHP forum software (just ask the exasperated folks @ Massify), mostly because I think they are functionally retarded and security is a joke. But that has little to do with PHP than it does with the way they are written.