Sony has announced that the PlayStation Network will be "taken offline for maintenance" later today between 5pm and 7pm BST.
Presumably it's an entirely innocent period of quiet reflection that just happens to coinc--WAAAIT A MINUTE! That's when the Sony gamescom conference takes place!
Obviously there's no cause to attach particular significance to this fact yet, but with Sony set to talk up the PSP app store during the show it wouldn't be utterly surprising to see PSN pop back up with that in place.
And if you're looking for something to do during those two hours of downtime, why not read about what's going on at the Sony gamescom conference in our live text coverage? That link will be where you need to be to see it - with the conference set to begin at 5.30pm BST / 6.30pm CET.