Google took a direct shot at Apple on its website on Tuesday, claiming that Apple has failed to improve the user experience of messaging between iPhone and Android devices. Some users have long complained about the green message bubbles that accompany cross-device messaging, as well as poor-quality compressed videos, a lack of read receipts, and other issues. Google blames Apple because the company converts text messages sent between iPhones and Androids into SMS and MMS, two decades-old methods of sending text-only messages from device to device. lg...