We rarely have meetings. I hate them. They’re a huge waste of time, and they’re costly. It’s not one hour; it’s 10, because you pulled 10 people away from their real work. Plus, they chop your day into small bits, so you have only 20 minutes of free time here or 45 minutes there. Creative people need unstructured time to get in the zone. You can’t do that in 20 minutes.

~Jason Fried, The Way I Work: Jason Fried of 37Signals

Maker versus manager time. I’ve started trying to schedule most meetings on certain days of the week. They’re necessary for me, but they destroy productivity.