20-20-20 V3 (Windows only)

Now the 3-second timer is always on top. And I added a RunOnStartup.bat and a DontRunOnStartup.bat

20-20-20 V2 (Windows only)

Now there's a 3 second warning timer before the 20 second timer. The 20 second timer is set to be always on top. There's also a batch script now to stop the app from running

20-20-20 V1 (Windows only)

You get reminded every 20 minutes to look at something 20 feet away for 20 seconds