Canary Deployments to Automate Softwer Delivery?

We looked end to end at the ces, and we found that softwer delivery was the first place to focus. We made a lot of investment in our continuous delivery pipe lines. And then there are other issues in other areas, but we'll get to them later. So what were the impediments? It was a little bit different for each individual team,. In some it was the things we ended up focusing on, or have been focus on, our build times.