I used to buy encyclopedias too, paper first and later on CD. But let's be honest here, there is no coming back from Wikipedia. The amount of informations on ev

I used to buy encyclopedias too, paper first and later on CD. But let's be honest here, there is no coming back from Wikipedia. The amount of informations on every single subject, the details, the fact that's its extremely dynamic (yes this new Usain Bolt world record is updated faster than than the actually record time), this is incomparable.