Shortly before Shigeru Miyamoto's keynote was about to start, Reggie himself was taking the time to sign autographs and pose for pictures, when one gamer shouted out something from the crowd.
Notes from Wikiquote
"Who?" answered Reggie in mid-autograph. | "Phil Harrison, front row!” Sure enough, there was Phil Harrison, seated dead center, front row. | With a grin and a chuckle, Reggie replies, "Some would say we’ve already done that." | Source: GDC: Nintendo's Keynote--Nothing to Say, blog.wired.com | Referring to the Wii outselling the PlayStation 3 with great numbers.