Whether you are tackling a full-on carpentry project or simply hanging something on your wall, a bubble or spirit level is an essential tool for getting things done right. All of us have had times ...

A level feature is built right into the iOS Compass app through which you can gauge the angle of a surface. If you want your phone to do more, you can grab any number of apps from the App Store, like ...

In 2018, Google added a new “chat head” feature to its iPhone application, which displayed the caller’s avatar as a floating bubble-style notification. When tapped, this bubble expanded to reveal a ...