Avinash Kaushik tells us about the recent algorithm change in Google Analytics. One small change in the system caused a few other smaller changes in other parts of the system, and some people "freaked out." While the video included in the post explains the changes, one part not detailed in the clip centers on a bug that impacted user data. The bug temporarily made it seem that the impact was crazy because of the sessionization change. Google engineers identified the bug and fixed the data. Let's move on.