Now Playing: 1-3-2013 Marketplace

The Federal Trade Commission announced that Google has agreed to allow competitors access to patents on technologies needed to make devices like smartphones, laptops and tablets. Family Dollar lowered its profit outlook for this year. Your disposed Christmas tree may be part of a new sand dune or riverbed. Jeff Speck talks about his new book "Walkable City," which takes a look at Americans' desire for cities where you can get around without cars. And Scott Tong reviews the movie "Promised Land," which is about a drilling company that wants to use hydraulic fracturing in a rural Pennsylvania town.