One of Barack Obama's longest-serving speechwriters reveals the public speaking lessons that will help you become a more confident and compelling communicator and leader. As a White House speechwriter ...

ChatGPT's voice mode sharpened my fluency in a single week.

Your voice is a personal calling card. People listen to the quality of your tone, and often make quick judgments about whether you’re strong or weak, assertive or compliant, respectable or negligible.

Speak is delivering a bunch of new features for its language app’s winter update, including Speak Level fluency metrics. A home screen refresh keeps users focused on their progress, and what’s coming ...