Target's holiday season data breach is still making headlines today, following the announcement of its Chief Information Officer’s resignation on Wednesday. Coming in as the third-most read story on Retail Dive this week, our breaking coverage of the event was overshadowed only by an extensive look into the changing scene of physical retail stores and a list of the richest names in retail. Read on to discover this week's other most popular content.

• The end of brick-and-mortar? Think again: Sure, things are changing. But adjusting to changes in demographics and consumer habits is nothing new in the retail business.
• Retail in a slump? Not for these 6 billionaires: Six of the leading names in retail graced Forbes's list of the richest people on the planet. 
• Target tech chief resigns following data breach : The retailer has executed a major security overhaul following a pre-holiday data breach. 
• 6 female trailblazers in retail today: These women are facing major challenges for the retailers they've led or will lead.
• Latest Nordstrom pop-up is a shoe-in: The department store opens yet another pop-up to mix up its traditional approach.

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