During an interview with German business newspaper Handelsblatt yesterday, when he was asked to comment on Apple hiring Tesla's engineers for its car efforts, Musk revealed that the people hired by the iPhone maker are those which were fired by the automaker. He added that this is the reason he jokingly calls Apple the Tesla Graveyard. "If you don't make it at Tesla, you go work at Apple," he said On whether he considers Apple as a serious competition, he took another jab at the Cupertino-based company, saying making a car is not as easy as making a smartphone or a smartwatch. "Did you ever take a look at the Apple Watch? (laughs) No, seriously: It's good that Apple is moving and investing in this direction," he said. "But cars are very complex compared to phones or smartwatches. You can't just go to a supplier like Foxconn and say: Build me a car. But for Apple, the car is the next logical thing to finally offer a significant innovation. A new pencil or a bigger iPad alone were not relevant"