Matt did an incredible job at Google search and left in 2016, since then it's been downhill, not entirely because of him, but it's certainly a noticeable effec

Matt did an incredible job at Google search and left in 2016, since then it's been downhill, not entirely because of him, but it's certainly a noticeable effect, especially if you followed Matt's google search related Q&A's, videos, etc when he was at Google.