game changers alex, ohanian and salman khan share theirs ideas with exciting game-changers. >> chances are you're one of the 80 million users of the social sharing site reddit or maybe you're one of the 10 million students brushing up on your learning skills on the online site, khan academy. how did they come two of the most used are academies. we sat in as alex gives superhero origins, fronts page of the internet. >> talk to us about hour your geeky childhood flutd your path to reddit success. >> i was lucky in that neither one of my parents had a bunch of tech background. what was a very powerful computer, a pc that they gave me total freedom with. they just said, as long as you can put it back together, take it apart, put it back toan together, by giving me that opportunity i just fell in love with technology. it started off with video games, i played way too many of them. saved up money from anchors to build up my computer and learning how to build became a hobby. my friends and i spent way too much time messing around with technology. although we felt like geeky kids in high schoo

game changers alex, ohanian and salman khan share theirs ideas with exciting game-changers. >> chancese one of the 80 million users of the social sharing site reddit or maybe you're one of the 10 million students brushing up on your learning skills on the online site, khan academy.

game changers alex, ohanian and salman khan share theirs ideas with exciting game-changers. >> chances you're one of the 80 million users of the social sharing site reddit or maybe you're one of the 10 million students brushing up on your learning skills

. >> alex ohanian is here. he formed reddit in 2005 with his college roommate.e has remained on the board and founded two more countries. in 2012 he campaigned to stop piracy online. critics of the proposed bills argue it stifled free speech online. he is the author of a new book called "without their permission." i'm pleased to have alexis ohanian at this table. tell me first of all about the book. what is it you want us to understand is the point? what made you take time off to write this? >> it is the book i wished steve and i had had before we got started on our entrepreneurial journey. i wanted to create the blueprint to help more people be awesome. >> what was the driving idea when you put together reddit? >> in a lot of ways, it was us we wanted to create something that would let us live like college students for as long as we could. we wanted to start something. we had gotten lessons growing up online on the power of these kind of open discussions that could happen on web forms. we thought maybe we could build a platform to let online communities flouris

. >> reporter: alex ohanian is here, the co-founder of reddit, the popular social news web site. he formed the company in 2005 with his college roommate. reddit was acquired by conde naste publications a year later. he has remained on the board and co-founded two more companies, including the travel search engine hip monk. in twelve he campaigned against the stop piracy online and protect i.p. acts. critics of the bills argued it stifled free speech online. he's the author of a new book called "without their permission." in the book it gives advice to young entrepreneurs and advocates for a free internet. i'm pleased to have alexis ohanian at this table. welcome. great to have you here. having done aim may it's only indeed. >> rose: tell me about the book. what is it you want us to understand? what's the point here? what made you take time off to write this? >> it's the book i wish i had had before steve and i got started on our entrepreneurial journey. >> rose: right. >> the internet is enabling so many people-- far more people than were possible to be enabled in '05-- to do ama