PARIS: When the maker of Canderel, an artificial sweetener, cast about for strategies to reach a young, trendy female market, it relied on the breezy counsel of the Buzz Angels, bloggers variously known as Eklektic, Velvetine 2 and Miss Blablabla. This digital match between fashion-conscious French bloggers and Merisant, the sweetener company based in Chicago, was forged by Buzz Paradise, a year...