Last year, California lawmakers passed the toughest privacy law in the country. Now, legislators may be having second thoughts.
Add another debacle to the long list of Facebook's privacy snafus: The company reportedly obtained and uploaded email contacts of 1.5 million users -- without asking them first.
Facebook's ad-delivery system sends ads to particular individuals based on whether the ads will be "relevant" to them. That determination can turn on stereotypes, a new paper says.