Downtown plan: The Brooklyn Marriott’s 280-room annex has swung open its doors on Adams Street, bringing its total number of rooms in the often sold-out hotel to 660. Comment.

Downtown plan: If you build it, they will come — but with two-million-square feet of office space being built in Downtown Brooklyn, planners still don’t know who “they” are. Comment.

Downtown plan: A coalition of local property owners wants to clean up a gritty corner of Downtown Brooklyn through the formation of a new business improvement district. Comment.

Downtown plan: How hot is the Brooklyn real-estate market? Somebody just bought a parking lot Downtown for $17.6 million. Comment.

Downtown plan: It looks like the lovechild of the Flatiron Building and a spaceship — but this just-unveiled rendering of a luxury condo planned for the gateway to Downtown is the latest attempt to bring Manhattan across the river. Comment.

Downtown plan: Mayor Bloomberg has called in a relief pitcher to help save the Downtown Brooklyn Plan. Comment.

Downtown plan: Don’t believe the hype. That’s the main lesson to be learned from the news that Mayor Bloomberg has created a new office to oversee commercial development in Downtown Brooklyn. The new “czar” will be charged with rescuing the Downtown Brooklyn Plan — a massive, high-rise-friendly upzoning that passed unanimously just two years ago. Comment.