it's the flip, it's the obverse, it's the other side, it's the other way," so he would be a trickster he would be a fun person to have on the listening post, but what he actually meant and what he would say, fortunately, is beyond me. [[voiceover]] no doubt about it, innovation changes our lives. opening doors ... opening possibilities. taking the impossible from lab ... to life. on techknow, our scientists bring you a sneak-peak of the future, and take you behind the scenes at our evolving world. techknow - ideas, invention, life. >> an interesting debate. coming up, a school where students don't read books. instead they use ipads almost >> we've just been talking about a man who was writing back in the 1960s and '70s about an information age only just emerging. today, in the midst of the digital revolution, new technologies have been heralded as the advent of a new and promising era. that has also prompted critics. writer and thinker evgeny morozov is one of them. he has eloquently warned against celebrating the internet as a panacea for censorship and the control of information, a