Who joined forces in the real estate industry in December to help agents up their game, and who's rolling out new products? Here's our rundown, in chronological order. December 1 Long & Foster Real Estate announced that it has opened an annex office in Avalon, New Jersey. Select Group Real Estate Services has merged with two Vindler & Associates offices in El Dorado Hills and Placerville, California; the operations will continue under Century 21 Select Real Estate. December 2 ValuAmerica, a national title agency and appraisal management company, has integrated its ValuNet platform with Black Knight's LoanSphere Closing Insight application. December 3 Engel & Völkers Madeira Beach opened its doors at the previous Vicinity Realty; it's owned and operated by Micha...