In today’s podcast: Judge sides with YouTube in Viacom suit; iPhone 4 goes on sale in Japan; and Verizon gets a new Droid from Motorola.

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Viacom’s US$1 billion copyright infringement lawsuit against Google’s video-sharing site YouTube has been dismissed by the court, ending for now an acrimonious legal battle between the companies that has been going on for more than three years. Viacom hit Google in March 2007 with a $1 billion lawsuit over what it described as widespread and willful infringement of Viacom’s movies, TV shows and other content on YouTube. Google, which had bought YouTube in October 2006 for $1.65 billion, defended itself by arguing that YouTube complies with the requirements in the Digital Millennium Copyright Act (DMCA) to remove infringing material upon owners’ requests.

The iPhone 4 went on sale in Japan on Thursday morning, as Japanese customers who waited in long lines became among the first to purchase the latest smartphone from Apple. Hundreds of people waited in lines outside a Tokyo store owned by operator Softbank Mobile and Apple’s Ginza outlet, including some people who’d camped out overnight in anticipation of buying the new phone, Nikkei reported on its English Web site. Starting today, the iPhone 4 will initially be available in the U.S., France, Germany, the U.K. and Japan, followed by other countries. By the end of September, the handset will be available in 88 countries.

Verizon on Tuesday introduced the newest Droid and the second from Motorola, but some Android fans may be disappointed to learn that it won’t ship with the latest operating system or the newest Flash Player. The Droid X will ship with Android 2.1, which will be updated to so-called Froyo, or Android 2.2, later. That means that it initially won’t have Flash Player 10.1, the latest version of that software that became available this week for Android 2.2. It will retail for US$199 after a $100 rebate.

Lew Tucker, who was vice president and chief technology officer of cloud computing at Sun Microsystems, has been named the first CTO of cloud computing at Cisco Systems. Tucker started working at Cisco this week. He reports to Cisco CTO Padmasree Warrior and to Tony Bates, senior vice president and general manager of Cisco’s Service Provider Group. It’s not yet determined whether he will have a staff to help him coordinate Cisco’s efforts in this area.

…And those are the top stories from the IDG Global IT News Update, brought to you by the IDG News Service. I’m Sumner Lemon in Singapore. Join us again later for more news from the world of technology.