I say "Then are you willing to figure out for yourself exactly what you consider to be the most useful aspect of this behavior?"

But, he added, "what really seems to shake out is that each of these tools has a useful aspect."

One that had proven the only useful aspect of the situation so far.

It was intended as a balanced assessment, and does mention several useful aspects of advertising.

A marginal but occasionally useful aspect of the media.

When she was 16, she discovered another useful aspect of her ability.

I do not see why that should not be a useful aspect of this directive.

Which brings up one of the more useful aspects of these devices.

One of the more remarkable, and useful, aspects of language is that it enables us to pose questions.

Richard Parker's presence had at least that useful aspect.