Dive summary: 

• In an effort to rev up content, Walmart is preparing to launch Print Plus, a digital supplement to the world's largest retailer's weekly circular. 
• Print Plus will provide digital "liquid content" from brands that pairs with the circular; brands will provide content like recipes and videos that will appear as consumers pass their mobile phones over the print copy. 
• Walmart expects brands to supply as much as 90% of the content, according to Clint McClain, senior director-marketing communications platforms.

From the article:

"Walmart executives didn't divulge exactly what scanning technology Walmart will use, but said the retailer already has had 7 million downloads of its smartphone app."