Are Q&A startups a threat to Google?The classic movie Monty Python and the Holy Grail includes a scene in which King Arthur and his men ignore warnings about a killer rabbit with huge fangs. Only after one of the knights is ferociously attacked do they finally believe that such cuddly-looking creature could be the “most foul, cruel and bad-tempered thing you ever set eyes on.” The same can be said about the numerous Question & Answe
