Sean O’Brien, President of the International Brotherhood of Teamsters, discusses the shift in union voters towards supporting Trump. Topics include union endorsements in swing states, Biden's efforts to gain union support, skepticism towards Democrats, and the Republican Party's focus on pro-worker policies under Trump's influence.

Did you know your phone is a really good listener? Apps on your phone might be sending and receiving data over ultrasound. Ultrasonic communication is used for everything from tracking your daily habits to enabling light shows at music festivals. We hear from Yale Privacy Lab's Sean O’Brien and Michael Kwet, and privacy and technology counsel Katie McInnis. We also discuss the more positive uses of data over sound with LISNR CEO and co-founder Rodney Williams.​​​​​​​ Twenty Thousand Hertz is produced out of the studios of Defacto Sound and hosted by Dallas Taylor. Follow Dallas on Instagram, TikTok and LinkedIn.Watch our video shorts on YouTube, and join the discussion on Reddit and Facebook.Consider supporting the show at donate.20k.org Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/ultrasonictracking Learn more about your ad choices. Visit megaphone.fm/adchoices

Sean O'Brien, Teamsters union president, speaks at RNC causing controversy. Lock-in effect affecting housing market and rise of first-time buyers. Discussion on avoiding online misinformation during crises. Federal Reserve may lower interest rates before inflation hits 2%.