Twitter Is Experimenting with br a New 'Audio Tweet' Feature Employees Maya Patterson br and Rémy Bourgoin explained the br new feature in a blog post. Twitter, via br a blog post The audio feature is currently available br for just a select group of users on iOS devices. To make an br audio tweet, hit the br new waveform icon, br which appears br when you start writing. Create your message br after tapping the br red record button. Only original tweets can use audio, br not replies or retweets. You can listen to audio tweets br while scrolling through your timeline. If you switch to another app, br they'll keep playing in br the background. Your profile picture also shows upbr alongside your audio tweets. According to The Verge, Twitter says br it is also looking into ways to address people br who are deaf or have hearing problems.