Dan and I often find ourselves sending ourselves e-mail reminders. But they don't function as great reminders because we have to check the email again in the future. So the work-around we've been using is to simply leave reminder e-mails unread until we've addressed them. We felt this really hurt our e-mail productivity
So we decided to make Mail2Self one night. It works super simply. No add-ons, no extensions, nothing extra. Simply e-mail yourself from any platform with a subject line of the form "Remind me _____". We use natural-language processing to detect when you want the reminder and we send you the email at that point in time.