Money: It only makes sense that if Apple wants to be an auto producer by 2020 that they better be at it already. Makes one suspect they are not thinking of starting from scratch in this endeavor. Much easier to buy a company that is already in the electric car business with its engineering and production and raw materials already in place. I think, as has already been suggested, that the big fish (TESLA) might swallow the smaller fish (ZEN) and the whale (APPLE) digest them both. Sure would fit the timeline for Apple to be in the electric car business. Hmmm. the deputy