We "learned" to listen through the caesar cipher (that's how we got the phrase). They told us Monday through braille.
So caeser cipher, braille. But where do we apply them? If that's the correct way of thinking.
EDIT: Perhaps we need to enter those letters Ed gave us through each step, E.G put it through the steps of the map
So, shift it 19 steps down:
so bw zv tu av av zu vv zv xt
Becomes: up so mn to to sn oo so qm
Converted to braille we get:
I don't know where we'd go with that, though.
Piece 7 source was covered in UTF-8 browser encode stuff, wasn't it?
Assuming it is referring to Ed's Tweet. I'm not sure where I'm going with this but it's worth following it through I guess.