One hundred and forty one billion dollars. That's the estimated brand value of Walmart, according to Interbrand's "Best Global Brands" report. The annual study ranks the 50 most valuable U.S. retail brands, along with the top store brands in countries around the world.

Go offline, young man: That appears to be the mantra of e-commerce merchants these days.

As competition in the world of online retailing heats up — with Amazon's ever-burgeoning dominance posing the biggest threat — more pure-players are taking the brick-and-mortar plunge. It's a reminder, many experts say, of the strong appeal of the in-store experience — even when stacked up against the convenience of online shopping.

The Glimcher Realty Trust pipeline is filled with open-air centers. "We're seeing a lot of opportunity in the market and even our own portfolio with open-air right now," said Michael P. Glimcher, chairman and CEO, Columbus, Ohio-based Glimcher.

Over the last three years, Glimcher has acquired five properties. Four were open-air. Today, open-air centers account for about 20% of the company's 29 properties.

Recently, Glimcher shared his insights about open-air and enclosed centers with Chain Store Age contributing writer Michael Fickes.

The physical store remains the centerpiece of the purchase journey, according to a study by PwC. The report, "Demystifying the Online Shopper," addresses myths about multichannel retailing and offers some ideas to help retailers keep up with their customers. Here's a recap: