Posts By: Gary Rosenzweig

Many iMovie users wonder why they get black bars on the sides or above and below an image that the drop into their movie. This is caused when the picture is a different aspect ratio than the video. You can use cropping in iMovie 11 to select the area of the image you want to use, and whether to include any black space around the image.

Sometimes computer users stress too much about disk usage. They worry when they see varying amount of free and used space and their computers and when they notice those numbers change even though they haven't done anything. Find out what Mac OS X does that uses disk space on a regular basis.

Apple users can sometimes stress about when is the best time to by a new Mac, iPhone, iPad or iPod. Rumors are always around that a new device is on the way. But putting off a purchase isn't always that important. Learn to research the validity of rumors and don't stress about getting your new Apple hardware at the exact right time.

In this special episode, learn to now stress about your MacBook or iOS device battery. It may not be worth it to expend a lot of time and stress to extend your battery's life by only a little bit.

Take a look at four extensions that you might find useful. You can discover web page-specific keyboard shortcuts. You can select and jump to links using only your keyboard. You can lock tabs. You can make it easier to generate shortened URLS.

Learn how to look up the serial number for your Mac, and then use that number to get the official model number for your Mac. You must have that model number to purchase memory upgrades. Find out about the Tech Specs section of the Apple web site where you can learn more about your Mac and other Apple devices.

Take a look at four free Safari extensions that you may find useful. You can add a customizable toolbar, view multiple pages in one long page instead, print specific areas of a page and see your incoming Gmail at the top of the Safari window.

There are many ways to edit song information in iTunes that will help you sort your music. You can group songs together in an album using the Album Artist field. You can also set track numbers and use alternative song, album and artist information just for sorting.