[Larry Lucido]

"A perpetual pendulum of swinging prisoners..."

You gotta admit, it would be one hell of a bunjee ride. So long as you don't meet someone midway coming from the opposite side.

Someone else thought of selling "hole fares" across the planet, since the trip would only be 18 minutes or so.

[Dog Gone]

As I recall, they learned to keep them all in one big group instead of letting them continue doing head-on collisions.

It was kind of a neat concept as long as you ignored all the practical considerations.

[A.J.Armitage]

If you cored the Earth quickly, you wouldn't need to jump. The air rushing in to fill the vacuum would sweep you along, until you hit the magma which was also sucked into the void.