His name has just vanished from my head... but there's a famous chef whose secret trick for finding the best restaurants in a city he's visiting is to locate th

His name has just vanished from my head... but there's a famous chef whose secret trick for finding the best restaurants in a city he's visiting is to locate the most active community discussing food online, and post a comment saying how much he liked (random restaurant here) in that city. Then just scan through the flood of indignant response/corrections.