HOW CAN I GET MY PC TO TALK TO ME (to keep me from staring at text)

How can I get my PC to talk to me? I was looking into this because of the "Computer Vision Syndrome" CVS I've been hearing about. And I found this company that quoted this " The Internet has become a very convenient way to communicate and source of information. Not only that, the internet has also become a one-stop shop where you buy or get anything and everything from different kinds of stuff to free software downloads. There are a lot of different websites online where you can download the software you need to make your business of job easier. This software can even be downloaded for free. You can simply browse the Internet for websites offering free software downloads. Here are some of the websites where you can download free software:" http://www.datafurnace.net.au/ didn't spend much on research they seem pretty sound. If anyone has any more knowledge of them would appreciate a comment.     GOOGLE ME