-As tipsters mentioned this week, Campbell-Ewald is moving from its suburban digs in Warren to downtown Detroit and bringing 600 employees with it. Bill Ludwig, CEO of the 102-year-old agency, will join Detroit Mayor Dave Bing at a 1:45pm news conference today to discuss the move. link

-We inquired about this aplenty last night, but were unable to get some answers considering how late it was, but yes, P&G has shifted its Tampax account from Leo Burnett to sister Publicis Groupe shop, Publicis Worldwide. link

-The Droga5-created UNICEF Tap Project is heading to Facebook, turning the social network into a celebrity-filled “water network” as part of its annual commemoration of World Water Month (above). Go here and here to find out more.

-Bi-coastal/London-based Final Cut has added editor/Cut + Run alum James Rose to its roster. Rose will work out of Final Cut’s London office.

-Now, Mayor Bloomberg and his officials are planning a social media campaign to battle noisy earbuds. link

-SodaStream has backed down from its threat to take legal action against Clearcast, which banned the former’s global spot in the U.K. link