WhatsApp has long let you turn read receipts off entirely, but if you keep them on, there's no easy way on Android to see what someone sent you without them knowing you've read it. The notification helps, unless you've already swiped it away or have too many messages piling up. iPhone users have had a workaround for a while now, and it looks like Android users will finally get it too.On iOS, you can long-press a conversation in the chat list to get a pop-up with its most recent messages, and doing so doesn't trigger the blue ticks. The window doesn't scroll, though, so longer messages or...