Earlier this month, my friend Rebecca Skloot replaced her hulking big-box TV - I can vouch for its girth, having moved it once - with a flat-screen no thicker than an iPad. She turned it on and, horror of horrors, the picture was lousy. Displeased, she turned to Google for help. What the search engine delivered was a mess, a collection of spammy sites riddled with ads. So she turned to Twitter, posting: "Old TV died, got newfangled LED TV. Shocked how bad/fake movies look! . . . Others have this...
