Vint Cerf, Google's Chief Internet Evangelist, describes how he and Bob Kahn created the internet.

Nuala O'Connor, Internet and technology expert, discusses the role of governments in managing online threats and protecting its citizens.

Will the "Brainet" be the next itineration of the Internet? Michio Kaku, famed theoretical physicist and founder of string field theory, shares his view on the next evolutionary step of the Internet.

Vint Cerf, one of the "fathers of the Internet," defines what today's net means to him.