Siri can read your latest text messages. Like when someone texts you while you're driving, and you know you're not supposed to look at your iPhone. Just tell Siri: "Read my text messages." Presto: she reads (aloud) the contents of the most recent missive. And then asks if you'd like to reply. Say "yes" if you would, or "no, read the next one" if there's another one. And Siri can read your email, too.
If you have an Android device, you can do the same with any number of free apps, such as: Drive Safely