Answer:
What an fill a room but takes up no space?
What English word has three consecutive double letters?
Many hear me, but no one sees me, and I only speak when spoken to
I can be short and sometimes hot. When displayed, I rarely impress.
Runs smoother than any rhyme, loves to fall but cannot climb.
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?