[dtnewman]

- Amazon made AWS - Microsoft went from Operating Systems to a cloud company - Even Google has Waymo, which might develop into a large company by itself - Apple was founded in 1976. They really weren't the powerhouse that they are until the iPhone came out. - Netflix went from mailing DVDs to streaming

Of course most pivots don't work and there's selection bias here. BUT, it's not unheard of for business models to change. And it certainly helps that Zuck is the original founder and has controlling shares.