SEATTLE--(BUSINESS WIRE)--(NASDAQ: AMZN) — Amazon’s 20th holiday brought more than just record growth for Prime. Amazon customers also saved billions thanks to free shipping. On all items purchased this holiday season, customers saved over $2 billion on free two-day shipping through Amazon Prime and other free shipping offers. Additionally, 100 million more items shipped for free this holiday compared to last. “Customers continue to save money shopping on Amazon,” said Jeff Wilke, Senior Vice P