Easy Riddles

It runs and runs but can never flee. It is often watched, yet never sees. When long it brings boredom, when short it brings fear. What is it?

What is it that is deaf, dumb and blind and always tells the truth?

I fill a room but take no space. What am I?

What is bought by the yard and worn by the foot?

I have seas without water, coast without sand, towns without people, mountains without land. What am I?