And this is why people constantly talk about "Silicon Valley of X", but still no-one comes close to Silicon Valley. Its a myth that these internet-scale firms

And this is why people constantly talk about "Silicon Valley of X", but still no-one comes close to Silicon Valley. Its a myth that these internet-scale firms are easy to build. Sure you could build a site that replicates the functionality for a few thousand people, but to make it scale takes a lot more resources that aren't readily available anywhere else on earth.