Stephan's Tuesday Picks

• A brief history of nachos (Mental Floss)
• Amazon, Walmart tell consumers to skip returns of unwanted items (WSJ)
• Roger Martin: Is strategy in B2B dramatically different than strategy in B2C (Medium)
• Walmart creates fintech startup, speeding push beyond retail (Bloomberg)
• Business is booming at Amazon Canada, but workers say the pandemic is adding to safety concerns (Globe and Mail)