You can read more about Sham's app, Covid Safe, here. You can  find his university bio here.The app isn't live in the iOS or Android app store yet, but you can download an Android demo here and help the team work out the bugs. You can also use that link to find their GitHub community.You can read Paul's take on the contact tracing spec released by Apple and Google here.This is a two part episode, so tune in Friday for the second half.