This riddle requires no special knowledge in anything.
I build up a world
from what is but none.
Most people might know me
but others know none.
Some people think magic is I
while some just don't wonder just why.
You know this thing all just too well
just answer the question you definitely can tell.
The answer will be told if none can figure it out. So try until you find a answer that fits the criteria. The title is a bit of a hint.
This is more literal than you think, keep trying.
This answer is known to be a hobby to some
Said to be the Biggest advancement in our history.
People use this as there job, like the StackExhange workers.