As posted on their official Web site (linked above), Media Molecule has stated that they are powering up their LittleBigPlanet servers for PlayStation 3 today for those who managed to get a copy of LittleBigPlanet early.
"Cables have been connected, switches have haven flicked and buttons have been pressed. The servers are on, let the sharing commence!
In short, this means online features including the ability to share user-created levels with friends are now accessible. Cool news indeed for eager LBP fans! More PlayStation 3 News...