“In short, the paper posits that when people signal their intent to go from place A to place B, they are creating the equivalent of a link, or a vote, for the place to which they are requesting directions.”

“I’ve said this many times: My subjective opinion, though always true, is just my subjective opinion,” Singhal says. “We try not to insert it into any of our search processes—we just stick with our mathematical models.”

Predicting completions based on queries fits nicely into this objective frame. But I wonder how he would explain the work of quality raters in tuning ranking … 

At #93: Google. “Remember your basic ‘search engine’? Here’s one that really works, scouring billions of links for junk-free matches – and it does so quickly.”

"Ultimately, criticizing Google for its ‘secret formula’ is an easy claim to make, but it just isn’t true. Google has worked day after day for years to be open, to educate publishers about how we rank sites, and to answer questions from both publishers and our users. So if that’s how people choose to define ‘secret,’ then ours must be the worst kept secret in the world of search."