Monday Morning Stir

-A Saudi prince has purchased a $300 million stake in Twitter. link

-John Hegarty and David Droga have been appointed as jury foremen for the 2012 D&AD Awards. link

-Euro RSCG Chicago joins the PlayStation agency roster as it’s been tapped to handle digital CRM engagement for the Sony product.

-Atmosphere Proximity’s holiday card contribution: A Facebook-based effort called Santa Clout. link

-WPP’s Kantar Media reports that ad spending was a bit sluggish in Q3. link

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