. >>> now internet activist and blogger ethan zuckerman talks about civic participation and the role technology has in shaping social norms. he spoke to students at rice university in houston, this is an hour and 20 minutes. >>> so for the past few months now we have been looking at online mnts, digital platforms such as facebook, google maps, which our social lives have grown increasingly familiar but are also invading our academic lives. we can public widely, collaborate across time and space, teach thousands at once and so on. but it has become clear that the same machines can take advantage of us. they make us work without us knowing, judge us in directions we don't necessarily want to go, et cetera. tonight we get the chance to hear about these machines from someone who knows a great deal about them and has written a digital book about this world we live in. ethan zuckerman is director of the center for civic media at m. m.i.t. and research scientist at m.i.t. media. if i'm not mistaken ethan worked for one of the first dot-com enterprises where, among other things, he invented