In watchOS 5, there's a new Apple Watch activity feature that's designed to motivate people to work out and get active through competitions with friends. You can challenge any friend to a seven-day ...

Available for all Apple Watch models except the original, watchOS 5 brings Walkie-Talkie, a Competition activity option, Siri Shortcuts and new Siri face options, interactive notifications, and more.

In business, unlike the NCAA, we experience the equivalent of March Madness every month of the year. Here’s the good news: competition only makes us better. To continue with the sports analogy, for ...