
Netflix from accepting…an focus so much on the goal that they lose sight of new data that should cause a change in course. Successful projects develop momentum quickly. Customers enthusiastically embrace good ideas despite early shortcomings. Tunnel vision prevented Netflix from accepting failure earlier.
Focus creates product depth, and product depth always trumps product width. A deep product may solve limited problems, but it does an excellent job at solving those problems. Shallow products do a poor job at “solving” a number of problems, and are often filled with gaps and workarounds.