With a little know how and some practice, anyone can utilize the resources IT professionals put into practice daily. The Internet is full of answers that are available for the taking if you look in the right places. For those who are starting out in the field; going to college for CS, CIS, CE; or just dream of working with technology for a living my biggest recommendation is to build yourself a "sandbox", a laboratory of computer equipment that you can experiment with then rebuild when the configuration get's unruly.
Information Technology is a broad field with many specializations and touches almost every aspect of home and work life. We've become dependent on IT for communication, organization, and safety.
The best and worst part about IT is certainly the constant change. Moore's Law is a perfect example of how this change can be measured and planned for.