Why Tesla can get by without CarPlay but other car makers can't

General Motors plans to ditch CarPlay and do its own new infotainment, but if the company thinks it can do what Tesla does, it's wildly mistaken.GM predicts it can use its own infotainment software to build a subscription revenue business worth $20 to $25 billion a year, by 2030. If it can get close to that, it makes sense that it would try.Tesla has been doing its own in-car content, bucking the trend of adopting mobile phone projection systems like CarPlay or Android Auto, all the while selling millions of EVs. I'm sure it's hard for GM and other automakers to not think they can do the same thing. Read more...