Computers have become essential to communication. Almost all business is conducted via computer, which means if you're computer isn't working, you are probably screwed. From a business perspective, computer technicians are like doctors; their services are essential to keep any endeavor up and running. No matter what career path life takes you down, a working knowledge of computers will always give you a leg up. Pro tip: once you get out of college, avoid telling friends you were a computer science major as long as possible if you don't want to be bothered constantly with tech questions.