'Email Inbox to 0' Hacks: 4D Approach to Processing Your Inbox

inbox4dSee what kind of products inbox4d (INBOX4D) likes on Product Hunt. Launches. Coming soon. Upcoming launches to watch. Launch archive. Most-loved launches by the community. LaunchSome readers contacted me after my Pomodoro Technique post to ask what the 4D's approach for managing email is. It has been around for a while, but it's worth refreshing