If you've done any air traveling in the last several years, you know part of the process is handing over your laptop, phone, and any other gadgets for security screening. The Transportation Security Administration, responsible for air travel security measures in the U.S., offers tips in a new blog post on traveling with small gadgets such as e-readers, netbooks, and, yes, the iPad. follow link
Go Back and Forth Fast in Preview
If you're reading a PDF in Apple's Preview software, and you follow a bookmark or an internal link to move around within the PDF, you can quickly return to where you were by pressing the keyboard shortcut Command-[ (that's Command-Left Bracket). Or, you can choose Go > Back.
The command works iteratively, so you can go back to just the previously viewed page or if you issue the command again, to the page before that, and so on. There's also an equivalent Go > Forward (Command-]).
- ExtraBITS for 12 April 2010 (12 Apr 10)
Tips on Traveling with Gadgets from the TSA Blog