Apple lets companies fine-tune apps before watch debut -Bloomberg

(Reuters) - Apple Inc has allowed some companies to test their apps on its yet-to-be-launched Apple Watch and adjust the tools to the watch's design, Bloomberg reported. Facebook Inc, United Continental Holdings Inc, BMW AG and others have spent weeks at Apple's headquarters, working with the smartwatch to test and fine-tune apps that will debut alongside the device, Bloomberg reported, citing people familiar with the process. The company has scheduled a special event in San Fransisco