System Knowledge

Basic knowledge of the geography of the Net, it's lore and history, as well as knowledge of the important computer systems, their strengths and their weaknesses. At +2, you can generally navigate around the Net and know where all the local places are. At +6, you know the locations of most places in the Net, and have a working understanding of its largest and most well know systems. At +9, you know the entire Net like the back of your hand, know the general layouts of the important systems cold, and are aware of the layouts for the rest of them.