Tiller is a little puck that tracks where your time has gone

Do you ever wonder how long you spend reading emails or doing research? A little device named Tiller may be able to get you an answer.
Tiller is a small puck that plugs into your computer to help track your tasks. Tap it, and it’ll start timing you. Tap again, and it’ll stop. Spin the wheel on top, and a minimal interface will pop up on screen, letting you scroll from one task (say “emails”) to the next (maybe “writing” or “coffee”).
It’s all