The test must work well enough to provide useful information.

I'm certain we can provide each other with useful information as time goes by.

He might be able to give us some useful information.

I may have news, and useful information about the Road.

We have already learned a great deal of useful information.

Other useful information is also given at the back of the book.

It might take more than one day to get all the useful information he has.

Most of them, he knew, would offer no useful information.

In the end, this will make more useful information available to the public.

As for useful information, that was something else, but it had been a long shot from the start.