on face booker icahn and french you. a face-to-face relationships we're walking down the street i really don't want to see you you may say hello. i have to learn socially to deal with this but the new technology we can block people in various ways and i worry about the social impact. also we must be connected to people of my students worry they have not gotten back to someone immediately maybe they will be shunned from the social circle you don't get to go together because you did not answer fast enough. many feel driven like hamsters on wheels that they must be on although they will tell you they do not want to be. it is not good for us. >> host: that is out effects the psyche. we feel compelled to be on? >> we feel conflicted. >> we recognize that always being of bailable to others is not necessarily a good thing. i was giving a lecture those taking a course on digital citizenship. most of them had a computer or a laptop for the ipad. there is an article called his face bookmaking us lonely? one of the questions i pose