Summary:
PS4's friend list is being expanded
Play Remote Play on Vita through home network or Internet
No support needed from devs for Remote Play besides Vita controller configuration
No support needed from devs for any streaming/uploading of videos
Controllers charge when off
Controller buttons are digital not analog
Controller keeps copy of user profile
Games are downloaded in chunks
Buy games/download demos from Playstation app on Android/iOS, immediately starts downloading on PS4
PS4 Eye can switch split-screen depending on where each player is sitting
Dedicated port for Camera, not using USB
Display true name on profile is optional, will be enabled if profile is imported from a social network, can then be turned off
Platform is 64-bit x86. Dev environment is Win7 64-bit VS2010, LLVM/Clang with C++11 support
new UI Looks a little AppleTV Netflix app with social integration crossed with flipboard
The PS4 will show the player's network at boot by default.
UI is meant to give you at a glance info without loading the game, new DLC, what friends are saying
Touchpad resolution is 1920 x 900