Terry Gross

Advertisers collect information with every digital move people make. They then target ads based on that information. Communications scholar Joseph Turow worries that advertisers will use such data to discriminate against people and put them into "reputation silos."

The standards singer's new solo album, Strictly Romancin', explores the ups and downs of love. Russell sings several tracks from the record during this interview and performance.

McKenzie, half of the New Zealand musical comedy duo Flight of the Conchords, wrote five songs in the recent Muppets movie. "Man or Muppet" is nominated for Best Original Song at this year's Academy Awards. [extended cut]

A shorter version of this interview was broadcast on Feb. 13, 2012.