Former Archbishop Tutu appeared in a video-taped segment when Jacobs was discussing Qualcomm's Tricorder X Prize, a competition to build a handheld device that can monitor and diagnose health issues.
"Mobile is going to have a transformative impact on health here and in Africa," Tutu said.
Maroon5 played out the evening with its song "Payphone."
James Niccolai covers data centers and general technology news for IDG News Service. Follow James on Twitter at @jniccolai. James's e-mail address is james_niccolai@idg.com
