[IGN] CES: PS4 Sales Pass 4.2 Million

During a CES keynote this morning, Sony's Andrew House revealed that more than 4.2 million PlayStation 4 consoles have been sold as of December 28, 2013.

Previously, Sony announced that 2.1 million consoles had been sold globally as of early December, one million of which were sold in 24 hours. Following launch, PS4 became the fastest-selling console in UK history.