The first day of the New Year marks a significant anniversary in this history of the Internet...on 1 January 1983, the ARPANET (Advanced Research Projects Agency Network) changed from NCP to the TCP/IP protocol suite – thus initializing the modern Internet era.

Related article: Marking the birth of the modern-day Internet

Today is the 30th birthday of the modern-day Internet. Five years ago we marked the occasion with a doodle. This year we invited Vint Cerf to tell the story. Vint is widely regarded as one of the fathers of the Internet for his contributions to shaping the Internet’s architecture, including co-designing the TCP/IP protocol. Today he works with Google to promote and protect the Internet. -Ed.