Google is known, in fact notorious, from casting its net wide to catch as many fish. A more appropriate metaphor, however, might be throwing as many things on a wall and seeing which ones stick. It already had an Android operating system when it suddenly launched Chrome OS.
Samsung is reportedly planning to launch the Galaxy Note 9 this year a bit earlier than its 2017 predecessor. The primary reason, the reports claim, was to offset the rather disappointing but not terrible sales of the Galaxy S9.