O'Reilly logo

Sierra: A Take Control Crash Course by Scholle McFarland

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Discover the Little Things in Sierra

While Sierra packs some substantial new powers (cough, cough…Siri), there are also many smaller ones—from new text shortcuts that will save you time typing, to big emoji in Messages, to the ability to view videos in Picture in Picture mode while you work . Here are some of the most interesting features that don’t fit into one category or another.

**①** You don’t have to miss the action. With Sierra’s Picture in Picture, your video floats above your work in a corner and never gets buried under windows.
You don’t have to miss the action. With Sierra’s Picture in Picture, your video floats above your work in a corner and never gets buried under windows.

Watch While You Work

Whether it’s presidential debates, a much-anticipated soccer game, or the cat videos you’ve ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required