Counter in Nickname By CyBeRDuDe 
... If you want to use it.... If not and you want to create your own.. please write again, and we will try to help you...

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What do you mean by 2. Nickname?... The Personal Message?... A counter for this haven't been created yet, but it will probably be soon...

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If you mean the normal ordinary nickname, then the maximum change is 10 times per minute, that means you can change it 10 times during 10 seconds but then you have to wait 50 seconds before you can change again, or you can keep a constant change each 6th seconds, or even at 10 seconds which is most recomended if you want so low numbers... 1 minute or above is recommended in generally since lower numbers and frequent use of nickchaning is infact annoying to your other contacts, but this is another side of the story...

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