Answer:
Good memory, skin like the sea. A great beast I am, yet vermin frightens me. What am I?
I am always in front of you, but yet I am never here. What am I?
The Titanic is still here.
I am a mini solar powered computer
The more you have of it the less you see. What is it?
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.