How worried should we be about Amazon?

Amazon just announced a new partnership with Berkshire Hathaway and JPMorgan Chase to improve health care.

But how big is too big? Are companies like Amazon and Google our era's new monopolies?

MPR News senior producer Stephanie Curtis spoke with two experts about the reach and economic power of companies like Google and Amazon.

Lina Khan, the Director of Legal Policy at Open Markets Institute

Alex Shephard, a staff writer at The New Republic

Use the audio player above to hear the full segment.