Too Long; Didn't Read
Chrome Extension Serenity is a unique game like productivity management tool with website blocking capabilities. The user enters blacklisted sites and a time period for which they are working. This data is then used to create a digital cityscape drawn on a canvas in the extension's popup. Developer must be wary of when developing an application which is aimed at altering a user's behavior without annoying them. If you bombard a user with a plethora of features, many of which aren't particularly helpful, it will deter them from using whatever you have made.