Stephan's Friday Picks

• Visa offers Manitobans $10 in free groceries if they don't shop at Wal-Mart (CBC)
• Who's the boss? Amazon contractors sue to find out (Bloomberg)
• The biggest threat to Wal-Mart's grocery dominance. It isn't Amazon (Retail Dive)
• You might be paying too much for your chicken (NYT)
• Most advertising is terrible, says Unilever (Marketing Week)
• Kroger hints at more M&A in the grocery aisle (Gadfly)
• At Trader Joe's, good cheer may mask complaints (NYT)