You can make your 'Brain Structure' that can express your thought or your emotion.You can send what you made with messenger(Skype, Facebook Mesenser, Kakao talk, LINE, etc.) easily.You can give a smile on your people's face.What you made is shown on the list.What you received from other people is shown on the list too.(except for Facebook Mesenser)You would be lost in memories, if you see your and your people's 'BrainStory' later.'BrainStory' has various form of 'Brain Structure' and be updated constantly.