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1 .This is Scientific American's 60-Second Tech. I'm Larry Greenemeier. Got a minute?
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2 .You're walking near the park when your iPhone chimes.
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3 .It tells you that one of your many Foursquare contacts is enjoying a coffee at an outdoor café on the next block.
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4 .So you turn on your heel and head the other way.
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5 .Welcome to the era of antisocial networking.
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6 .Where you filter pictures of your friends' kids out of your Facebook feed, replace inane tweets with those you actually care about and keep tabs on people you'd rather avoid.
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7 .The Cloak app, for example, collects location info from Instagram and Foursquare to let you know where your so-called "friends" are, so that you never have to see them.
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8 .It scans their most recent check-ins, and plots those locations on a map.
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9 .It can even alert you when the guy you owe twenty bucks to is nearby.
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10 .Cloak developers Brian Moore and Chris Baker say they came up with the idea after too many chance encounters with ex-girlfriends.
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11 .They plan to expand Cloak to interface with other apps, including Facebook.
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12 .And they insist their feelings won't be hurt if they suddenly stop bumping into their Cloak-using friends.
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13 .Thanks for the minute, for Scientific American's 60-Second Tech. I'm Larry Greenemeier.
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