AV Club review "We Are Everyone" from Elementary
"It's so consistent with this characterization of Holmes that you can
completely believe how obsessive it would make him trying to prove to
people on the internet that they are wrong.
He also knew he would get clues and directions from people trying to prove HIM wrong. Which he did twice."
xkcd: Duty Calls: "Someone Is Wrong on the Internet."
"The question at hand was how to find good restaurants, and his answer was to take the city you want to go to and just google up some restaurant names that serve the dish you're after. Then go to chowhound or another foodie site, and rather than asking about restaurants, you put up an enthusiastic post talking about how you just had the best whatever you're looking for at one of these restaurants.
At that point, what drivingblind likes to call the nerdfury will begin. Posters will show up from nowhere to shower you with disdain, tell you how that place used to be good but has now totally sold out and - most important to your quest - will tell you where you would have gone if you were not some sort of mouth breathing water buffalo."From 2007.