Answer:
Once they sailed the sea, now they surf the web
What's black when you get it, red when you use it, and white when you're all through with it?
I am black when I am clean and white when I am dirty?
What is lengthened by being cut at both ends?
I'm tall in the morning and short in the noon. I disappear at night but I will be back soon.
I can only be played on a windy day