The guy behind PlentyOfFish (the dating site) has written similar things in the past. Various links and tech info: http://highscalability.com/plentyoffish-architecture It seems a lot of MS stuff, used properly, scale well and easily , making it particularly suitable for single founders or small teams where they don't want to devote a lot of time to ops (while still keeping it in-house). Becoming a member of their "Bi…
Don't forget StackOverflow: http://highscalability.com/blog/2009/8/5/stack-overflow-arch... - apart from the somewhat unbelievable PlentyOffish project, it's the only prestige project based on MS software most people will recall. In their 2011 update, they claimed to be using "a lot more Linux machines", because apparently it's fun to develop using Microsoft technology, but for some infrastructure components (proxyin…
Stack isn't the only prestige product. Nearly all of Microsoft's infrastructure runs on their own dog food. That's a lot bigger of a product than Stack Exchange is.