Last night Sony revealed that PlayStation 3 games won't be compatible with the PlayStation 4, and now comes news that neither will your existing PSN titles.

Engadget has spoken to Shuhei Yoshida, Sony's Worldwide Studios president, who told them that neither PSN nor PS3 game saves will be able to make the jump to the new console.

During the press conference, Gaikai's David Perry said that it and Sony would like to bring multiple generations of PlayStation games to the PS4 via the cloud at some point during the PS4's lifecycle.