Answer:
What do you call a boomerang that doesnβt come back?
I can wave my hands at you but I never say goodbye. You are always cool when with me even more so when I am high!
Who is the most foreign visitor you could imagine?
I am a delicious way of representing data.
Die without me, never thank me. Walk right through me, never feel me. Always watching, never speaking. Always lurking, never seen. What am I?
It's what light turns into in the night