the problem is Facebook is profiting off of and amplifying disinformation that harms others because it's profitable.

We need to ensure the antitrust laws first written more than a century ago work in the digital age.

These companies, as they exist today, have monopoly power. Some need to be broken up. All need to be properly regulated and held accountable.

Allowing this misinformation to spread can lead to violence, and, frankly, I believe it strikes at the very heart of the American democracy.

the more engagement there is, the more money you make on advertising.

you have a responsibility to remove harmful lies from your platform, correct?

I think these examples unfortunately, Mr. Zuckerberg, are just the tip of the iceberg.

About 37 percent of those sellers rely on Amazon as their sole source of income.

that word is ``monopoly.''

We've heard from third-party sellers again and again during the course of the investigation that Amazon is the only game in town.

We are here to better understand the role your companies have in the digital marketplace.

Our Founders would not bow before a king, nor should we bow before the emperors of the online economy.

Their ability to dictate terms, call the shots, upend entire sectors, and inspire fear represent the powers of a private government.

American democracy has always been at war against monopoly power.

Because concentrated economic power also leads to concentrated political power, this investigation also goes to the heart of whether we, as a people, govern ourselves or whether we let ourselves be governed by private monopolies.

Why should Facebook or any other platform be different?

Isn't it true that small businesses have no real option but to rely on Amazon to connect with customers and make online sales?

Unfortunately, this is one of many small companies that have told us during this year-long investigation that they were mistreated, abused, and tossed aside by Amazon.