The document discusses several simple productivity hacks, including Eisenhower's matrix for prioritizing tasks by importance and urgency, focusing on the 20% of tasks that deliver 80% of results according to the 80/20 rule, creating routine calendars to break large tasks into small daily tasks, banning meetings one day a week, taking an after work nap to reset energy levels, designating one day a month to deep clean your desk, using a rubber band habit to develop new daily goals, and sharing productivity hacks with friends.