You can add apps to your Apple Watch directly through the Watch's App Store, or through your iPhone's Watch app.

You can add friends on an Apple Watch to your Activity app, your Phone app contacts, or your Walkie-Talkie app. Here's how to do each.

You're not limited to the built-in clock faces on the Apple Watch. These apps greatly expand your options. Jeff Carlson writes about mobile technology for CNET. He is also the author of dozens of ...