When I was a little girl, I was taught a song about a ball of white string, in which the white string could fix everything — tie a bow on a gift, fly a kite, mend things. The second verse of the song was about all the things that string cannot fix — broken hearts, mend friendships — the list goes on. In all of the research I have been doing about Artificial Intelligence (AI), its governance and what it can do, this song has frequently come to mind