I Built a Smarter 20-20-20 App Because Every Other One Annoyed Me

The 20-20-20 rule is a simple habit recommended by optometrists to reduce eye strain: Every 20 minutes, look at something 20 feet away for 20 seconds. The problem is that most 20-20-20 apps are so annoying that I end up disabling them within a week. They interrupt you mid-thought. They popup during