The new social networking features unveiled at this week’s f8 event showed just how thoroughly Facebook intends to knit itself into the real-time flow of our lives, but judging by a conversation I had with a source at the social networking giant, we ain’t seen nothin’ yet.

Facebook’s mobile app is GPS-enabled, and the company can track the locations of users in real-time. “So if you’re in a bar or restaurant, wouldn’t it be cool to know that say, three of your Facebook friends are hanging out right across the street?”, my source asked me.

“No, actually, that would creep me out,” I replied. But h...

Last night, New York Police Commissioner Ray Kelly made a startling claim: that the NYPD has “some means to take down a plane,” in the event of another terror attack.

But don’t let your imagination run too wild: there’s no stealth jet emerging from 1 Police Plaza; there are no anti-aircraft missiles mounted on the top on the Williamsburg Bank. Kelly’s talking about a simple sniper rifle, which an NYPD helicopter crew could carry into the air, and target the engines of a plane. A small plane, I’m guessing.

Which makes Kelly’s eye-popping assertion, issued on Sunday’s edition of 60 Minutes,...