In that he says "If you stand at this point(http://maps.google.com/maps?q=51.513412,-0.128170) you will be in the centre of a 1km diameter circle containing a staggering 167 pubs!"

Which is probably I enjoyed living about 30 yards from that point so much :) Coincidentally, my apartment (flat) was directly above a Sam Smiths pub. Happy days ...