Answer:
I'm the source of all emotion but I'm caged in a white prison.
I can be hairy and itchy all over. I hang on a stick. I can be the scariest thing you have ever seen. I stand in the middle of nowhere.
One simple click, one simple flash. A piece of memory, for years I'll last. What am I?
A large oasis in the desert. Come with cash and leave with none.
I am a small paradise surrounded by dryness and heat.
What language does a billboard speak?