Demand for advertorial about 800 thread-count sheets, concierge services, and stainless steel wine refrigerators is soaring. Soon joining the likes of Gotham, Haute Living, and Avenue is Manhattan, an oversized glossy from Modern Luxury, yet another player in the "strategic circulation" market, aka sending publications free to the right zip codes. So assuming you live in the 10021, this September you can expect yet another ad-heavy, journalism-light magazine to appear in your mailbox. [WWD]