Lifehacker: Top 10 PDF Tricks

In Lifehacker article: 'The PDF file format is one of the best ways to publish, save and exchange well-formatted documents that will look exactly the same regardless of the device or computer you open them on. Whether it's your résumé, a tax form, e-book, user guide or a web page, you can't go wrong using a PDF. Chances are you've already got a free PDF reader installed on your computer, but you can do a lot more with your PDF files than you might think. Hit the jump for our top 10 list of techniques for converting, exchanging, sharing, managing and editing PDF documents.'