PlayStation 4 was the top-selling home console in December in the United States | GamesBeat | Games | by Jeff GrubbExpected.
BTW
Xbox One is up yoy or they just spin with sales overall.
"December was the biggest month ever for Xbox One sales in the U.S., and Xbox One was the only [current-generation] console with year-over-year growth, according to NPD,"
"In addition, Xbox One was the top-selling console over the second half of 2016, following the announcement of Xbox One S at E3."
