Remark Media spun off from the mass media company based in what city?
Remark Media:  Spun out from Discovery Communications' HowStuffWorks in 2007, Remark Media owns and operates the international versions of HowStuffWorks in China and Brazil, and is the digital publisher for certain content from World Book in China. Discovery Communications: Discovery Communications is an American mass media company based in Silver Spring, Maryland.
Silver Spring, Maryland