WATCH: Big Tech CEOs Testify Before Congress On Industry Power

The heads of tech giants Facebook, Amazon, Apple and Google will on Wednesday testify before Congress in a remote hearing about the power and influence of their companies.

Mark Zuckerberg, Jeff Bezos, Tim Cook and Sundar Pichai will answer questions that are the culmination of an investigation that the House Judiciary Committee's antitrust panel has been conducting for the last year.

Watch the hearing live, starting at noon:

You can also read their prepared remarks in full, from NPR:

Read Amazon CEO Jeff Bezos' written testimony in full.

Read Apple CEO Tim Cook's written testimony.

Read Facebook CEO Mark Zuckerberg's written testimony.

Read Google CEO Sundar Pichai's s written testimony.