Work with PDF files without using Adobe Acrobat

From CNET News.com:

I'm a big fan of the PDF file format. It lets you share files with people using almost any type of computer without worrying about whether they have the right program installed to view it, or whether it will look to them the way it looks to you. The problem is Adobe Systems' Acrobat, which is simply more software than I need to meet my meager PDF requirements. (It's also more annoying than any two Office apps combined.) The fact is, you can create, convert, and edit PDF files without adding any software to your system. And if the files you work with are small in size and number, you can do so without paying a dime by using the Zamzar e-mail-based conversion service.

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