His "thin, almost gaunt" appearance and unusually "listless" delivery, together with his choice to delegate significant portions of his keynote to other presenters, inspired a flurry of media and Internet speculation about the state of his health.
Penampilannya yang "kurus, hampir kering" dan penyampaian "tanpa daftar" yang tidak biasa, beserta pilihannya untuk mengalihkan bagian-bagian penting pidatonya kepada presenter lain, memunculkan banjir spekulasi tentang kesehatannya di media dan Internet.