And why she had not so much as brought a single couriered message in too long.

"That's the single best message you can send," he said.

The result has been a unified board with a single message.

"The president needs to redouble his effort to have a single message."

And I want every single incoming message, no matter how trivial, brought to my attention.

But he has not sent a single message over the Internet in the last few weeks.

Its single message is that dead animals sometimes leave impressions of themselves in stone.

"We decided we'd have a single message and drive it every day," he said.

To send a single message that way could take hours.

The campaign aimed to reach 1 billion people with a single message when it launched.