Strong demand for PS4 still causing supply issues for Sony

Another month, another sales milestone for PlayStation 4. One month after revealing sales of its video game console topped 6 million worldwide, Sony announced Wednesday the PS4 crossed the 7 million mark. The company also says more than 20.5 million digital and physical copies of PS4 games were sold since the console launched last November. In a statement, Andrew House, President and Group CEO of Sony Computer Entertainment, says demand for the PS4 remains “strong.”.