"Although used for more than half a century, the device was previously employed mainly for set-piece speeches. The current President, however, often uses them for making small introductory statements at the beginning of press conferences.
On this occasion, as a laughing Mr Obama returned to the podium, the script was belatedly switched over to the Taoiseach’s text ? leaving Mr Obama inadvertently thanking himself for inviting everyone, to further laughter. “First, I’d like to say thank you to President Obama!” the President said."