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I also gave this module a try, and found that the same problems were present, I also did not like the way the page seemed to tear when refreshing. The last thing my users want to see is the whole page going white every 20 seconds. I did appreciate that the module used my sites current theme. Unlike other chat modules that will only support one look. I have used all of them to date, and to be bluntly honest they all have their flaws.