This week’s podcast:

The biggest technology companies in the world have been reshaping business, society, and culture – and they’re facing mounting opposition to what they’re doing. A conversation with Robin Gaster, author of the book “Behemoth: Amazon Rising.” Also: the way we’ve been listening to music lately, there’s been little emphasis on audio quality. Qualcomm is seeking to change that with high-def audio technology and what it hopes will be an extensive ecosystem of partners.