Liquid water on Titan?

While landing on the Saturn's icy moon, Titan, probe Huygens has detected extremely low frequency signal (ELF). Scientists say that this signal possibly originates from an 'underground ocean'. If this is indeed correct, that could mean possibility of existence of some lifeforms there. But, this all is still quite uncertain, more definite conclusions will be made within next two years.

Mysterious signal hints at subsurface ocean on Titan, NewScientist.com News service

First some hints about water on Mars, now this... it might be possible that liquid water isn't that rare in the Space, after all.

What i've red[National Geographic 12/06] is that the moon contains lots of liquid methane. It is formed from inside the moon in waterlayers in combination with organic material. Also the moon is largely covered with frozen hydrocarbon, so we can actually solve our world problem with the exhausting of natural resources if we can dig there..
The other moon of Saturn "Enceladus" is al covered with ice, just as Europe the moon of Jupiter