As I write this, something like fifty million blogs and billions of blog posts are online.
What was it like to have the duty to protect billions of them?
The grouping method introduces multiplication into the definition of large numbers; but this, from the teacher's point of view, is not now such a serious objection as it was in the days when children were introduced to millions and billions before they had any idea of elementary arithmetical processes.
Millions of pieces of minutia per life, for billions of lives.
And beyond that, billions more ounces of gold may be buried beneath the ocean floor.