Answer:
I move without wings, Between silken string, I leave as you find, My substance behind.
Has no feet, but travels far. Is literate, but not a scholar. Has no mouth, yet clearly speaks.
What get wet while drying
The stack just might be sent all over. Full of what's new, yet it's nearly obsolete.
What is never used unless it's in a tight place?
What do angels sing in the shower?