We often get asked about whether hosting content on a subdomain is as good as a subdirectory of a website.
Whilst we've seen a lot of evidence that subdomains are fantastic for SEO, sometimes it's best to get an independent expert to give their opinion. The video below is Matt Cutts from Google giving their position on the subject.
(Spoiler - there's no difference; it is neither better nor worse).
I'm interested in finding out how Google currently views subdomains -- whether there's any difference between a site structured as a group of subdomains and one structured as a group of subdirectories. Bob, Somerville, MA