Your comments

There is a way to delete your posts in forum but it should have a main reason.. nad a hard subject...
Example: if you are in a contest like rent a spec contest and i have said someone's entry something bad like it is very childish.... The post will be deleted by contacting a mod and say about the problem :)

You are right CJ they are random and it was answered many times by tanki and ppl... Why do they ask these q/a repeated
It is RANDOM.. sometimes you may get them for a week sometimes you maynot :) 

My Answer: Weekly once or monthly once...