Google has published a Q&A with its Search Liaison representative, Danny Sullivan, where he says Google has "decreased the number of irrelevant results by over 50%."
He also went on to say that Google conducted over 800,000 experiments and "ongoing quality tests to make sure the results we deliver — and changes we launch — actually make Search more useful for people."
Read the full Q&A here
Our Search Liaison on 25 years of keeping up with search [blog.google]
