How much of the codes are shared with others, and how much do you keep to yourself?
When writing code in Google, it's hard to not use a lot of Google tools that are proprietary. Dr. Hadsell’s team open sources things that provide a lot of value for others. You want to share the code so you can build a community of people working toward the same goal. You also want other labs to try to reproduce. When having disagreements between results, you learn.