Answer:
I am not alive but I can die. What am I?
The more you have me the less you see. Shine a light on me and I shall flee.
I am easy to waste. I am unstoppable. What am I?
I have 24 keys but cannot open any locks. Sometimes loud, sometimes soft. What am I?
I can be simple or I can be complex. I can be found in this riddle or in everyday life. I can be shapes or even colors.
What language does a billboard speak?