Answer:
I cannot be bought, cannot be sold, even if I'm sometimes made of gold. What am I?
When young I am sweet in the sun. When middle-aged I make you gay. When old I am valued more than ever.
you need thousands of me to create a digital image.
Sometimes dark and sometimes bright I make my way among twinkling lights. Seas and oceans obey my call yet mountains I cannot move at all. My face is marred and gray But I'm majestic anyway
When it comes to me, you go on red and stop on green. What am I?
What language does a billboard speak?