Given that your voice chats and text communications done through Sony's PSN obviously goes through Sony's servers, it is possible for Sony to listen in and perhaps even record down the things that you do, and while Sony has stated that they are not planning to do that, they did express that they do retain the sole discretion of doing so without ever telling you.
Ubergizmo , Sony May Or May Not Record Your PSN Voice Chats Or Text Messages, Sony May Or May Not Record Your PSN Voice Chats Or Text Messages
