Answer:
I always run but never walk, I sometimes sing but cannot talk, No head on which a hat to place, You always look me in the face.
What has been around for millions of years but is never more than a month old?
What can hold a car but canβt lift a feather?
Temporary evidence of where you've been strolling
What has keys but no locks, Space but no room, You can enter but you canβt exit.
Sometimes I am white, sometimes I am dark. Most people love me. What am I?