Bluetooth is baked into just about everything these days, from wireless earbuds and fitness trackers to laptops, cars, and smart home devices. In 2025 alone, there were an estimated 5.3 billion ...

I leave my biweekly gel manicure to the pros. I love watching the manicurists create tiny works of art on my nails, especially since it’s a skill I could never replicate at home. But a DIY pedicure?

Is it better to be loved or feared? Amy J.C. Cuddy is an Associate Professor of Business Administration at Harvard Business School. Matthew Kohut is a co-author of Compelling People: The Hidden ...