How frequently are new questions indexed by search engines?
I was just curious about Google's crawling policy for Stack Overflow. One of my friends posted a question on Stack Overflow and I simply searched Google for any possible answers on the web. The first result was the question he posted. I have seen that it normally takes some time to see results in Google, but this was just within 10 minutes. Was it just coincidental, or does Google follow a different policy for sites like Stack Overflow?