http://thenextweb.com/gadgets/2013/06/11/sony-ps4s-key-differentiator-vs-xbox-no-used-game-restrictions-no-need-to-be-online-to-play/
http://www.apple.com/appletv/airplay
http://blog2.idnes.cz/diskuse.aspx?iddiskuse=A121029_297955_blogidnes
http://mashable.com/2012/03/07/new-ipad-did-not-blow-my-mind
http://idress_phone.talkino.cz/discussions/pokus_b4aa1236b90c70d8bdf2d69113f5e3b2.html