Apple just reported its best quarterly earnings ever, beating Wall Street expectations in large part due to “staggering” iPhone demand. Alongside its earnings report, the company has revealed it now has 2.5 billion active devices in use around the world. 2.5 billion iPhones, Macs, and other Apple devices are in active useKif Leswing writes at CNBC:Cook said Apple now has an active base of 2.5 billion iPhones, Macs and other Apple devices in use, up from 2.35 billion announced in January last year. Last January, Apple’s 2.35 billion number was up from the 2.2 billion reported the year before. How many Apple products do you actively use?