I noticed that at the less creative agencies, people tended to more closely guard their ideas, keeping them in locked drawers as long as possible, fearing that someone in the next cubicle might copy an idea and take credit

Get it out of the drawer and on the wall, in full view of others.

Creativity researcher Dean Keith Simonton, who has conducted studies on successful creative people, says, “Creativity is a consequence of sheer productivity. If a creator wants to increase the production of hits, he or she must do so by risking a parallel increase in the production of misses… The most successful creators tend to be those with the most failures.”

To be able to ship often, you must be willing to ship early.