<i>Instead, many of these companies take a cue from the way Facebook rolled out with a deliberate controlled pacing that allowed it to scale as it went from just Harvard, to include Ivy League schools, high schools, work places, and eventually the world.</i><p>Did Facebook really have controlled pacing or did the product actually just start out as a niche product and grow? I thought the latter. The difference being did Zuck actually have even a blurry plan of its growth?