 DEERFIELD, Ill. LONDON--BUSINESS WIRE--Walgreens Boots Alliance Nasdaq: WBA has selected WPP NYSE: WPP as its global marketing and communications agency. WPP will work with WBA to implement its integrated mass-personalization marketing strategy and reputation-management communications strategy in support of the companys strategic priorities. WPP was first appointed in 2017 as WBAs global marketing and communications agency. Following a six-month review initiated in May 2020, WBA and W 