CHICAGO--(BUSINESS WIRE)--R.R. Donnelley & Sons Company (RRD) (NYSE: RRD), a leading global provider of marketing and business communications, helped Levain Bakery meet a 200% increase in e-commerce demand during the pandemic. The 26-year-old company, which started on Manhattan's Upper West Side, has transformed from a New York City institution popular amongst locals and tourists, to a national brand - while improving efficiencies and exceeding consumer expectations with the help of RRD's