On August 26, 1991, "Fortune" published the first joint interview with Steve Jobs and Bill Gates, in which they debated the future of the PC.
(via Cult of Mac - Your source for the latest Apple news, rumors, analysis, reviews, how-tos and deals.)
Cult of Mac
Today in Apple history: Steve Jobs and Bill Gates talk ‘future of the PC’
Shown as published in the source's RSS feed. IndiaAIFounders doesn't link out to third-party sites — this is the complete detail available from the feed itself.