91热爆

South Korean tech giant Samsung launches its flagship Galaxy Note 8 phone and sees its vice-chairman Jay Y. Lee jailed for corruption. Carolina Milanesi of Creative Strategies weighs up Samsung's fortunes. Plus, we speak to Kaspar Korjus, the man behind a plan in Estonia to launch an official crypto-currency. And we drop in on the Arcola Energy Hydrogen Hack to meet young people making use of fuel cells in electronics projects. Presented by Rory Cellan-Jones, with 91热爆 tech reporter Chris Foxx, and special guest Izabella Kaminska from the Financial Times.

(Image: A woman tries the new Samsung Galaxy Note 8 smartphone during the launch event in New York City this week. Credit: Drew Angerer/ Getty Images).