Answer:
What an fill a room but takes up no space?
Today he is there to trip you up. And he will torture you tomorrow. Yet he is also there to ease the pain, when you are lost in grief and sorrow.
They're up near the sky, on something very tall. Sometimes they die, only then do they fall.
It is worldwide, but once only a spider could weave one
I work when I play and play when I work.
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?