Marc Andresseen shares his quirky ideas for becoming a hyper-productive machine here. (We stumbled upon these guidelines via Tyler Cowen, the most hyper-productive blogger, reader, scholar bar none.) Some of Andresseen’s ideas make sense and are easy to implement–like “do email twice a day”–others, however, are paradoxical and counter-intuitive, like this one:

… don’t keep a schedule …

I’m totally serious. If you pull it off — and in many structured jobs, you simply can’t — this simple tip alone can make a huge difference in productivity.

By not keeping a schedule, I mean: refuse to commit to meetings, appointments, or activities at any set time in any future day.

As a result, you can always work on whatever is most important or most interesting, at any time.

But don’t you have to keep a schedule (of sorts) in order to not keep a schedule?