On this week’s Tech Nation, Moira speaks with journalist Jason Del Rey about Amazon and Walmart - how they are different and their designs on your attention. His book is “Winner Sells All: Amazon, Walmart, and the Battle for Our Wallets”.

Then, in biotech, breakthrough science changes the name of the game on how to make a medicine. Dr. Sanjay Shukla, the President and CEO of ATyr Pharma, takes this unprecedented approach and ATyr’s first drug candidate, which treats pulmonary sarcoidosis.