Coming on the heels of Microsoft's 2013 sales numbers, Sony has announced that 4.2 million PlayStation 4s were sold as of Dec. 28.
The announcement came today courtesy of Andrew House, the president of Sony Computer Entertainment, during Sony's CES event.
RELATED: PlayStation 4 Launch To Be A "Perfect Day" (Video)
RELATED: How Much Would You Pay for A PlayStation 4? Brazilians Need to Decide