let me close by extending thanks to melissa carney, who i've already mentioned. our director managering director and brad, the visiting vel fel low at the hamilton project providing the int luck eventual construct for this session and putting together a remarkable program. let me also thank the members of the staff of the project whose thoughtful and hard work is central to everything that we do. with that, let me push it over to roger altman. roger. >> morning, everyone. i'll be real brief. i think that the upcoming framing remarks and the two panels we're about to have are going to fit anyone's description of provocative. i, too, want to thank melissa and kristen and the entire staff for once again organizing an event as rich as this. as substantive as this. as bob said, we're going to start with framing remarks from eric and andy. they're both professors at mit. and the sloan school of management there. eric runs the mit initiative on the digital economy. and andy is a principle research sign scientist at mit and the song school in his field of research is the