What is networking and how is that important?

I asked someone if it was important to know collage proffessors and to intern at age 16 and he said that at that age it isnt, and that networking is more important. What is that? how would you do that and why is that as equally important?What is networking and how is that important?
Conneting two or more devices to each other in such a way so that they can share their information.Networking is imp. ,a single printer which is shared thro' networking is used by all pc's in that network.What is networking and how is that important?
Networking is where several people get together to share ideas, so having more brainpower on things.What is networking and how is that important?
LOL did you really put this in the COMPUTER networking section? Fail. xD