An unusual Sunday news conference will see Hirai's first comments on the PlayStation Network attack
A House subcommittee asks why it took so long for Sony to take the network offline and inform customers of the breach
However, it's unlikely to involve money as access to the service is free
Major events to date in the PlayStation Network and Qriocity hack
He speaks to journalists in Tokyo, but doesn't mention the long outage
The tablets are light and easy to hold
Sony's first tablets will come in a slate or foldable design
The robots searched for victims in two of the most badly damaged cities
Sony in the US blamed an "external intrusion" for the problems
Ohga helped sharp Sony from its early years and led development of the CD