TL;DR: if you struggle to motivate yourself to be productive throughout the day, install a keylogger capable of making pretty graphs.
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It seriously helps, as you are forced to face the facts after a day’s (hard?) work. Bonus points for sharing the stats with your boss, or publishing them on a daily basis (on your own site, not here, you silly!).
http://www.lukepaynesoftware.com/projects/keystrokes/ :point:
(it also exports CSVs allowing you to make graphs of multiple days)
Do you have (even) betters ways to keep yourself accountable?