Confused about facebook chat?

  • Thread starter Thread starter Phillie
  • Start date Start date
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Phillie

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in the corner of facebook there is the chat thing which you click on and it shows who is online and then you can talk to them
but next to some names on the online list there is a green circle and next to some there is a white circle???
why is this? does it mean that person is talking to someone else?
:)
 
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