The technical infrastructure of the major open source projects would make a small startup cry. It's certainly not out of the reach of Open Source. Just knowing the infrastructure required to keep the KDE project ticking, it's far beyond what Xobni would have to deal with.
If we're thinking in terms of "Open Source applied to services", well, Wikipedia. That's a pretty big website thinger there. I'm not sure I'd want to stare down the sysadmins of WikiMedia an inform them, "No guys, no, see, you're not really hosting..."
If we're thinking in terms of "Open Source applied to services", well, Wikipedia. That's a pretty big website thinger there. I'm not sure I'd want to stare down the sysadmins of WikiMedia an inform them, "No guys, no, see, you're not really hosting..."