"The Chinese restaurants there have become more sophisticated in terms of trying new things."

Over the years, business models have become much more sophisticated.

"Game design has really become much more sophisticated," he said.

Japanese tourists are still coming, but they have become more sophisticated.

"And people have become much more sophisticated about gaming the system."

At the same time, the needs of users are becoming more sophisticated.

As cars have become more sophisticated, so has car theft.

Indeed, over the years the flower business has become increasingly sophisticated.

At the same time, audiences have become much more sophisticated about the media.

Part of the problem, too, is that legislation to effect change has become more sophisticated.