Facebook CEO Mark Zuckerberg will testify before the Senate judiciary and commerce committees on Tuesday and the House Energy and Commerce Committee on Wednesday.

A federal grand jury indicted seven people behind the website. Known for adult services ads, Backpage has for years prevailed in lawsuits accusing it of facilitating sex trafficking of children.

Zuckerberg will testify in Congress about the shockingly vast access that political operatives had to data of its users. The news broke during another crisis, Facebook's role in the 2016 election.

Many modern free-speech cases have less to do with citizens speaking to government power than with the reach of businesses and organizations into Americans' lives. We look at a few highlights.

The Postal Service, criticized by Trump for charging Amazon "so little," has lacked a quorum on its governing board since 2014. The board needs at least four new members; Trump has nominated three.

It's the first major change in years to a key legal shield used by Internet companies to avoid liability for what people say and online.

The 1996 law is praised by the tech industry as the core pillar of Internet freedom. But its path also runs through some of the darkest corners of the Web, such as online sex trafficking of children.

Walmart has partnered with the app Handy to link customers with home-services professionals. Major retail companies are in a big movement, trying to become more than just places that sell you things.

Toys R Us plans to close or sell all U.S. stores. The chain has struggled through a bankruptcy process, facing heavy debt inherited from a 2005 buyout and intense competition from Walmart and Amazon.

President Trump issued an unusual executive order to block a massive bid by Singapore-based chipmaker Broadcom to buy America's largest mobile chipmaker Qualcomm. At the heart of the deal is the future of wireless technology.

The Trump administration has blocked a Singapore-based company from acquiring U.S. chip manufacturer Qualcomm. At the heart of the $117 billion deal is the future of wireless technology.

The bill would give prosecutors and victims more power to hold websites accountable for sex trafficking on their platforms. Parts of the bill have riled some tech companies and digital rights groups.

The pace of poisonings in the so-called Tide Pods Challenge continues to grow. The candy-like appearance of the packets draws easy criticism. Procter & Gamble says it's not planning a new design.

A new NPR/Marist poll found that 94 percent of American workers think it's unlikely they would lose jobs to automation. At a New Jersey warehouse, many workers say they're confident in their future.

Walmart is hiring for a New York City-based "highly personalized shopping experience" run by the former co-founder of Rent the Runway. The company wants to expand beyond its traditional customer base.

Companies across the country are announcing bonuses and wage increases for their employees after Congress passed the tax bill. Analysts say it's a good public relations move to get out in front of demands to share the tax break with workers.

Major tech companies have been growing internal crime-fighting cyber teams, often staffing them with former law enforcement agents. NPR gets a look inside one of these units.

After a brief security evacuation, the agency voted to undo Obama-era regulations that prohibit cable and telecom companies from blocking access to websites and apps or influencing how fast they load.

House and Senate Republicans have hammered out details of a final tax overhaul bill. Also, the FCC is set to repeal net neutrality rules, and an update on Tanzanian U.N. peacekeepers who were killed.

The $69 billion merger of the drug store chain CVS with insurer Aetna is about several things. Depending on whom you ask, it's about transforming the pharmacy store experience, getting a stronger foothold in lucrative sales of specialty prescription drugs — or about preparing for a future threat from Amazon.