121w ago - Today Examiner.com (linked above) reports that a leaked Sony R&D presentation PDF File (BuildingCommunitywithPlayStationNetwork.pdf) has revealed PS3-Vita connectivity, save sharing and more through PlayStation Network.
In addition, features such as voice chat and messaging along with remote play will also be available. Those interested can check out some slides from the SCEE R&D presentation HERE.
To quote: "Today a PDF file was discovered from a Keynote given at Develop in Brighton, the PDF reveals plans for Vita and how the new portable will interact with other Vita's locally and over the internet, what services the handheld will feature, DLC, as well as how the Vita and PS3 can interact - Vita as a PS3 controller but using Vita's unique features to enhance the game experience and several others are touched on.
The PDF document also details Vita's communication modes and how it will interact with the PlayStation Network, future updates, information on cross-platform play, cross-game chat, and much more."