Christina Cheddar Berk is assistant managing editor of Enterprise coverage at CNBC Digital.
Courtney Reagan is CNBC's Retail Reporter.
Tom is a Senior Editor and Assignment Desk Manager for CNBC TV. He also writes about the business of beer for CNBC.com.
Stephanie Landsman is one of the producers of "Fast Money."
San Francisco Bureau Chief at CNBC
Wal-Mart was already running out of stock of some items online on Thanksgiving Day.
Retailers and malls are installing technology to track customers and collect data about consumer demographics.
U.S. shoppers splurged more than $1.52 billion online by Thanksgiving evening and turnout at stores also surged.