But years later, when I began the movie, my idea of love changed.

"One single idea changed the economics of a country," he said.

The idea of what an atom is has changed over time.

The basic idea did not change, but many of the details evolved over the years.

So the first main idea was changing the identity of the bad guy.

"Except that everything is now on computers, the basic idea hasn't changed much since then."

"I don't think our idea of beauty has changed that much in a thousand years. "

People's ideas of what is possible definitely changed on Sept. 11.

In addition to the group's increasing size, the idea of the project changed.

Young people come up with and develop ideas to change the world for good.