A dangerous notion from Zuckerberg. From the Guardian "Talking at the Crunchie awards in San Francisco this weekend, the 25-year-old chief executive of the world's most popular social network said that privacy was no longer a "social norm".
 
"People have really gotten comfortable not only sharing more information and different kinds, but more openly and with more people," he said. "That social norm is just something that has evolved over time."