Today in Tech: Why Facebook's automatic sharing is the futureOctober 3, 2011: 3:30 AM ET
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* Why Google's grip on users is as firm as it is invisible, despite the company's argument that "the competition is only one click away." (Silicon Valley)
* What to watch for at Apple's iPhone event this Tuesday in Cupertino, Calif. (Fortune)
* The once-strong U.S. Postal Service has seen stamped mail decline 47% since 2001. Are we ignoring its inevitable demise? (The New York Times)
* Why Facebook's "frictionless sharing" -- automatic posting of say, your Spotify listening habits to your Facebook wall -- is the future. (GigaOm)
* A video tour of YouTube's headquarters. (TechCrunch)
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