Here's my mini-summary, might be missing some details because of streams dying left and right:
The Order new trailer
LBP3
Bloodborne new trailer / within 6 months?
10 million PS4's sold through to consumers worldwide
The Tomorrow Children - fully exclusive
The Vanishing of Ethan Carter - timed exclusive
Volume (Thomas Was Alone developers)
Runemaster - timed exclusive
Hollowpoint - timed exclusive
DayZ (Cross-platform play)
Hellblade (Ninja Theory / Heavenly Sword) main character looks like Kai from HS - PS4 timed exclusive
Rime (fully exclusive to PS4)
Indies Montage
Destiny - according to Gamestop, most pre-ordered (PS4 leading) in history for new IP, Dark below expansion launching in December
Far Cry 4
Shadow of Mordor - exclusive content
Hideo Kojima - MGS V, new box abilities
P.T. - first interactive teaser? - live on Playstation store
PS4 System Software 2.0
- shared videos to youtube, shared play
- any PS+ subscriber, invite friend anyone, anywhere to play together in same session, friends do not need to own or download game
Morpheus
PS Now
PS TV - gaming console to most PSP, PSVita, PS1, 2, classics - 99 euros including 3 digital games
Until Dawn - built exclusively for PS4 - 8 friends try to survive night from hell, Ouija board, graphics look pretty good, survival horror
Drive Club - Weather - photo mode?!
Media Molecule - Tearaway Unfolded for PS4 (2015)
Alienation - Exclusive PS4 from Housemarque
Wild - Wild sheep studios, new PS4 exclusive