Answer:
Runs smoother than any rhyme, loves to fall but cannot climb.
What contains zero calories, but if you consume it, you will probably gain weight?
Neither bought nor sold but more valuable than gold. It is built but not by hand. What is it?
Two people are born at the same moment, but they don't have the same birthdays. How could this be?
I can be used to type and point you see. But don't forget, you can count on me. What am I?
I can only be played on a windy day