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I noticed that a time value lies next to each cell phone icon in Facebook chat.

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What does this time value indicate?

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The name is fake by the way. I altered it with Firebug. :) – David Faux Feb 16 '13 at 4:45
up vote 9 down vote accepted

It had been 50 minutes since the user is away from Facebook web app and is available on FB mobile.

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Thanks! Wow, that kind of feels like a violation of privacy ... – David Faux Feb 17 '13 at 3:29
What's the problem is someone knows when a person is on mobile or not :P – Deepak Kamat Feb 17 '13 at 16:50

protected by Community Apr 18 '13 at 18:25

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