***Update***
PSN remains down, but Sony has acknowledged the issues and is currently investigating the problems.
***Original***
According to the Playstation Service Status page, PSN is having issues again. The status was posted just today and lists the affected platforms as Playstation 3 and Playstation 4. Sony is only offering up the following explanation:
You may be experiencing issues related to launching certain games or game functionality. This is due to factors external to PSN. We are tracking the progress of the resolution of the issue.
There is currently no word on which games are affected at this time, but we will continue to follow the situation.
