What is inFamous 2? Sony LittleBigPlanet and Playstation. Media Molecule

What is inFamous? Recently, inFamous 2 was revealed as the latest game in the Sony lineup to adopt the play, create, share mantra made popular by LittleBigPlanet.
What is LittleBigPlanet? The Playstation LittleBigPlanet and Portal 2 experience is unique. Is is better than Uncharted? InFamous beta is here. What is the story and missions in inFamous? What is next for Media Molecule? Gaming at it's best!