According to the Official PlayStation site (linked above), the PSN features game invites.

It states as follows: "Send game invites to your PLAYSTATION Network Friends".

Hopefully we will hear more info on this soon indeed!

[imglink=http://www.ps4news.com/images/img_4558.jpg|Official PlayStation site hints at Game Invites]http://www.ps4news.com/images.php?sm=1&f=img_4558.jpg&w=500&h=400[/imglink]

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