New York Times

When you signed up for cellphone service, I bet you didn’t expect that your exact location could be sold to anyone for a few hundred dollars. The truth is, your wireless carrier tracks you everywhere you go, whether you like it or not. When used appropriately, this tracking shouldn’t be a problem: location information allows emergency services to find you when you need them most.

Facebook now faces investigations into its business practices from a variety of federal agencies. Officials have opened inquiries into possible civil and criminal violations of laws related to privacy, corporate governance and discrimination. Facebook has largely denied wrongdoing in each of the investigations and said it was cooperating with regulators and law enforcement. Here are the agencies looking into Facebook, and some of the issues involved.

A Q&A with Neal Mohan, YouTube’s chief product officer.

Before the Department of Housing and Urban Development on March 28 announced that it has charged Facebook with violating the Fair Housing Act by enabling advertisers to engage in housing discrimination, Facebook said that it would change its ad-targeting methods to forbid discriminatory advertisements about housing, employment and credit opportunities. This plan, announced the week of March 18, is part of its settlement agreement with the civil rights groups that filed suits against the company over the past few years. The substantive terms are not radical.