Porsche's Apple Vision Pro App lets you customize a 911 Spirit 70 in mixed reality.The Porsche 911 Spirit 70 is a limited edition model paying homage to the 1970s, with only 1500 units available.The app allows customization of the car's exterior and interior color in mixed reality.While an interesting example of technology usage, it is unlikely that many will purchase the $250K limited edition vehicle using this method.