A GMO (genetically modified organism) is the result of a laboratory process of taking genes from one species and inserting them into another in an attempt to obtain a desired trait or characteristic, hence they are also known as transgenic organisms.
There are even simpler technology tools to use to map your professional network. For example, LinkedIn Inmaps will automatically create a color coded map of your network. You can spend time adding labels to specific clusters of your network to help with your analysis as I did.
The network manager doesn't often interface directly with end users but may help train support staff to do so. The typical education and experience of someone with the network manager job description and responsibilities would be a bachelor's degree in computer science, with several years of network system administrator experience.