What is this status bar icon

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http://forums.androidcentral.com – I have a (Verizon) Samsung S3 and I can't determine what this status bar icon represents. It doesn't appear on the regular lists of standard icons and I can't figure out what app it might be associated with since it never goes away (even after I've closed down all active apps via the task switchcher). Thanks. Attached Images Screenshot_2013-01-08-08-40-02_1.jpg (1.9 KB) (HowTos)