What’s the difference between a million, a billion, a trillion?

A million seconds is 13 days.
A billion seconds is 31 years.
A trillion seconds is 31,688 years.

A million minutes ago was - 1 year, 329 days, 10 hours and 40 minutes ago.
A billion minutes ago was just after the time of Christ.

A million hours ago was in 1885.
A billion hours ago man had not yet walked on earth.

A million dollars ago was five (5) seconds ago at the U.S. Treasury.
A billion dollars ago was late yesterday afternoon at the U.S. Treasury.

That certainly puts things into perspective.