IT support businesses sell a variety of services and products to people who use the computer. How can you know if you really need them and what they do? Here’s a short list of the most popular things with a little background on each one. The Computer Services that are listed here include computer repair, server repair, desktop support, laptop support, networking support, VOIP (Voice Over Internet Protocol), email support, network management and virtualization, home office support and business IT support. You can also find other IT services such as web design, video production, software licensing, consulting services, consulting technology, training services, telecommuting, wireless access, data centers and more.