Kennedy's face grew bright red when the professor awarded him five points for what he did. He had not expected that, but he sure liked it. Too bad his house lost points.

He thought about the question, but many of the ideas that popped into his head were just said by his classmates. Still, he raised his hand and said, "The benefits of communicating via Patronus is that it's the quickest way to communicate be it for a simple or emergency situation." He could think of few. "Like to remind your mom that there's no milk at home or to warn some one that there's a dark wizard at large." Things like that. "A Patronus is also a way to communicate without looking so suspicious," he said. Like for an undercover spy who didn't want to give away his identity.