A small but welcome enhancement in iOS 9 now allows you to use the “Return” key on an external keyboard to send messages, saving you the trouble of reaching for the screen to tap the “Send” button. Since most text messages don’t normally cross multiple paragraphs, this can help you keep a conversation going more fluidly, although OPT+ENTER can still be used to enter a new line if you want to do so. This also mirrors how…
