Biografie Liz Recent Insights “Black Friday 2026 Sales Forecast,” Retail Holiday Newsletter, 12. Oktober 2026, Infografik “2026 Holiday Shopping Outlook,” Retail Holiday Newsletter, 3. September 2026, Infografik “Online Grocery: Pricing for Both Humans and Bots,” Brief, 16. Juni 2026 “There’s More Than One Way to Win on Value in US Grocery,” Snap Chart, 3. März 2026 “Black Friday 2025 Sales Forecast,” Retail Holiday Newsletter, 13. Oktober 2025, Snap Chart