Google’s top AI researchers, including all the authors behind a landmark paper, have left for competitors. Here’s where they are now

• Google has contributed some of the most important research to the field of AI. 
• Still, the company has been slow to turn some of its biggest innovations into actual products. 
• Top AI researchers have been leaving for startups where their work can have more impact.

Google has found itself in a defensive position as it faces questions over whether it’s lost its lead in AI, especially as top researchers leave for competitors.