I have a very simple mute button - if there are people I know who annoy me - I don't read their posts and I don't join games they have created.
JohnHawkerGhost is an exception to that though - he makes me look good
In SecondLife there is also a type of character that we call an ALT
typically its one that is created by the same original user with a different name and profile
and usually for purposes that are less than
constructive
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Leagues
Gonzaga
Blue Max
Cartagena
Wooden Ships...
King Me!
VampiRing
