" The answer to almost any question is available within seconds, courtesy of the invention that has altered how we discover knowledge - the search engine. Materializing answers from the air turns out to be the easy part - the part a machine can do. The real difficulty kicks in when you click down into your search results. At that point, it's up to you to sort the accurate bits from the misinfo, disinfo, spam, scams, urban legends, and hoaxes. "Crap detection," as Hemingway called it half a century ago, is more important than ever before, now that the automation of crapcasting has generated its own word: "spamming.""
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