Replace new tab page with 'Running Time'
Most anti-procrastination apps on the web help you stay focussed and increase productivity by blocking time wasting websites. The thinking goes that if these online distractions are gone, you are more likely to focus on actual work.
Every time you launch Chrome, or open a new tab in the browser, the extension works as a sobering reminder that the clock is ticking away. That may motivate you to exit the Bermuda productivity triangle and focus on the more important things.