You can do tweets or retweets, the choice is yours.
You don't have to post reports in the thread, we have a team that checks everything manually.
when this campaign will over?
The campaign will be over at the end of the ICO. We will know the exact date in Q1 2018.
Today I joined the facebook and telegram bounty.Then I checked if there is any news about bounty program but there is no any new information. so is this still ongoing??
Yes, all the campaigns are ongoing.