Technoptimist Radio 11/10/21: How a block-chain Facebook alternative could improve data privacy

Join Teresa Carey as she breaks down the latest news on the technology that is solving the world’s biggest problems. In today’s show, Teresa covers a brain implant that tricks a blind eye into seeing again, a breakthrough in wireless power, and a new blockchain-based technology to free our social media data from Big Tech.

To learn more about the topics in this episode:
A brain implant lets a blind person see again — without using their eyes
Billionaire plans to build a blockchain Facebook alternative
Wireless power demonstration overcomes a major hurdle

About the host:
Teresa Carey is a senior staff writer at, where she covers genetics and the environment. She is also a US Coast Guard licensed captain and a NatGeo Explorer. In addition to Freethink her work can be found in BuzzFeed, Scientific American, PBS NewsHour, NPR Weekend Edition, Smithsonian and more. @teresa_carey