You are right that emails aren't tasks, and that the two should not be confused. But some emails can lead to tasks, or need to be followed up on, but maybe 'not right now', or maybe the follow-up actions required aren't just a one shot 'reply' thing. And do you really want 'yet another task list' confined to just your email app? Hope you will forgive me for the plug, but in our own app we designed the two to be separate, but very easily connected. . Snoozing emails like you snooze your alarm clock, to get them out of the way but not forgotten, and yes, sometimes one-click transforming selective emails into actionable and trackable tasks, not just for yourself but also for friends and colleagues those are the actions people really seem to be after. That is very different from an ‘every email goes onto the Kanban The article you linked makes a few good points about human nature, communication and work. We tried to incorporate some of that philosophy in our (mostly free) Tasks in a Box (for now the email integration is with Outlook though, no Gmail, yet) https://store.office.com/en-001/app.aspx?assetid=WA104379681