The Internet's a 40-year-old 'teenager' today

SAN FRANCISCO: Leonard Kleinrock never imagined Facebook, Twitter or YouTube that day 40 years ago when his team gave birth to what is now taken for granted as the Internet.

"We are constantly surprised by the applications that come along," Kleinrock said as he and others at the University of California, Los Angeles (UCLA) prepared to throw the Internet a 40th birthday party today.

"It's a teenager now. It's learned some things but it has a long way to go. It's behaving erratically, but it's given enormous gratification to its parents and the community."