“By the way,” Alexa sometimes says after responding to a command, followed by a random tidbit or suggestion you never asked for. Sound familiar? To be fair, Alexa is just trying to be helpful with its “by the way” asides. Still, Amazon’s chatty voice assistant tends to butt in when it’s not wanted, making unnecessary announcements or overstaying its welcome with random digressions. Luckily, there are plenty of ways to make Alexa pipe down. In some cases, all it takes is tapping a few toggles in the Alexa app. In others, a little hacking is involved. Either way, we’ll guide you through the proc…