Apple describes its mobile devices as designed in California and assembled in China. You could also say they were made by the App Store, launched a decade ago next month, a year after the first iPhone. Inviting outsiders to craft useful, entertaining, or even peurile extensions to the iPhone’s capabilities transformed the device into the era-defining franchise that enabled Uber and Snapchat.Learn more about your ad choices. Visit podcastchoices.com/adchoices