As Restaurant Economy Improves, Pop-Ups Remain Popular; A Food Revolution in Mexico

• Pop-ups are still popping: The Journal delves into the economics and ongoing popularity of pop-ups, and Wise Sons plays a starring role in the piece. [WSJ]

• Local soda maker SodaCraft, which makes regular appearances at Ferry Building farmers' markets, has a new owner: William Pilz of Hapa SF. Former owner Jesse Friedman says he sold the business in order to concentrate on his Almanac Beer Co. [SFoodie]

• As Tartine's Chad Robertson could tell you, sourdough bread can be made from levain, or starter containing "wild" yeast, but it's somewhat tricky. [Salt/NPR]

• Who knew the company that makes those red Solo cups found at keggers was worth $1 billion? [USAT]

• A food revolution is afoot in Mexico, where chefs are daring to shake up traditional fare. [WSJ]

• There's a new breed of ladies who lunch (in New York), and it includes avant-garde Japanese fashion designers. [NYP]