You're certainly correct that software companies should do a lot more year+ A/B tests. You can learn really interesting things from it that a shorter test won't

You're certainly correct that software companies should do a lot more year+ A/B tests. You can learn really interesting things from it that a shorter test won't capture. I know of this one: https://medium.com/@AnalyticsAtMeta/notifications-why-less-is-more-how-facebook-has-been-increasing-both-user-satisfaction-and-app-9463f7325e7d https://medium.com/@AnalyticsAtMeta/notifications-why-less-i...