It says, it's for docked phones. Even the N900 could boot a PC to Ubuntu when being attached. So while this is hot new stuff in Android-land (aka mobile phone stone-age), in Maemo-land we just yawn at it.
They're maemo and MeeGo... "Meamo!" sounds like what Zorro would say to catherine zeta jones... after she slaps him for looking at her dirtily...