"Is someone different at age 18 or 60? I believe one stays the same.

We live in an age when it is cheaper to buy the rights to movies than to make them.
We live in an age when it is cheaper to buy the rights to movies than to make them.
We live in an age when it is cheaper to buy the rights to movies than to make them.
We live in an age when it is cheaper to buy the rights to movies than to make them.