Answer:
What can you catch but not throw?
I have roots nobody sees. I am taller than trees. Up up I go but I never grow.
I climb higher as I get hotter. I can never escape from my crystal cage.
A move made popular by the King of Pop.
One simple click, one simple flash. A piece of memory, for years I'll last. What am I?
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?