Answer:
I can swim but never get wet. I can run but never get tired. I follow you everywhere but never say a word.
People need me yet they give me away every day.
I am gentle enough to soothe your skin, light enough to fly in the sky, strong enough to crack rocks. What am I?
I make things short but I am pretty long myself
If you have me you want to share me. If you share me you don't have me. What am I?
The answer I give is yes, but what I mean is no. What was the question?