Because when you use the YouTube video to integrate into the city, I think that is a little bit similar to the deliberated pool product from Stanford University. They can make 1000 people to chat, to have the conversation at the same time. And no human to be the facilitator to facilitate the conversation. Only the automatic tools. And they can make the analysis after the recording of the video. mAnd they can have so many videos to import into the city at the same time.