Around the Web 7.30.08: Wii big in U.S., YouTube maybe too big in Italy

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-- Viacom has an overseas ally: media giant Mediaset, controlled by Italy’s prime minister, sues Google’s YouTube for $800 million in Rome. Reuters

-- Nintendo profits jump by a third as Wii console sales soar 74% in the U.S. Wheee! indeed. WSJ

-- Dell mulls sub-$100 digital-music player, again. CNet

-- How scary is the recently discovered DNS Internet vulnerability? One of the first experts to disclose how it works just had his own company compromised. Network World via Slashdot

-- Speaking of which: 41% of the Web remains at risk. Did we mention that exploit code has already been published? NYT

-- A U.K. hacker has lost his appeal to avoid extradition to the U.S. to face charges that he broke into Defense Department and NASA computers. Looks like he will get to explain his alleged quest for information on UFO sightings to judges here. AP via CNN

-- You know how you should keep a land line phone for emergencies, when cellphone networks get overloaded? Actually, land lines got creamed by yesterday’s L.A. earthquake, too. LAT

-- MySpace appoints new executives, asserts everything is grand. TechCrunch

-- More women than men are on social networks, at least until men figure this out. ReadWriteWeb

-- Joseph Menn