Posts By: Gary Rosenzweig

The OS X Finder offers simple options to compress video and audio files. You can use this to quickly re-compress these files before archiving them or sending them to others. These simple functions only work with some file types and offer limited options.

There are a variety of ways to export a photo from iPhoto. Using the File, Export function you can decide which file format to use and set the quality and size. Learn how to use the various options and see a comparison between image quality settings.

Rulers and guides can be found in page layout and graphics apps. You can use them to precisely align objects on a page. Learning to use rulers and guides can make it easier and quicker to create professional designs. You can use them in apps like Pages, Keynote, Pixelmator, Photoshop and more.

You can set custom vibration patterns for your iPhone to use in addition to custom ringtones. You can use these vibrations to tell who is calling you, or what type of alert you have received. You can also set your phone to blink the LED flash so you can see an alert in addition to hearing and feeling it. You can turn off vibrations and silence your phone and still see the LED alert.

Apple uses cat names to represent versions of OS X. It is important to know both the cat name and the version number of OS X that you are using. Sometimes you will hear or read the cat name, and sometimes the version number. So knowing which ones match which is important.

Learn how to use the keyboard to move between fields, menus and checkboxes in forms on web pages. Knowing these shortcuts can save you a lot of time if you need to fill out forms often.

You can use a graphics program like Pixelmator to add some semi-transparent text to your photos before uploading them. Adjusting the color and opacity of the text will make sure the text doesn't interfere with the photo's content, unless you want it to.

Learn about the Undo and Redo functions for Macs and iOS. The Undo function is available in almost every app and situation on the Mac, and many on iOS too. However, what the Undo function does depends on the type of app and the last action you took. Many apps allow you to undo multiple steps and redo them as well.