Why it matters to be the top search result, cracking Galileo's codes, virtual frauds, WoW's Bill Eaken, flaming batteries and much more

This week's print edition of the Technology supplement is online too..

• Top of the heap
  Analysis of online search habits reveals that the first result - often a Wikipedia page - is by far the most popular. But, asks Charles Arthur, does that mean it's the right answer?
• Free Our Data: Galileo's secure codes cracked
  Why was access to Europe's taxpayer-funded Galileo satellite navigation system denied to researchers, asks Wendy M Grossman?
• Codebusters: What the research team cracked
• Should virtual criminals have their real-life collars felt?
  When is a fraud not a fraud? When it happens virtually, says Bobbie Johnson.
• Sony flamed for battery bungle
  As fingers are pointed over laptop batteries that ignite, why aren't Sony's own computers being affected asks Bobbie Johnson?
• Navman Mobile Travel Assist S60 Edition
  Navman's Mobile Travel Assist S60 navigation system for Nokia N series phones is a pretty standard GPS solution, comprising an RS-MMC card that houses the maps and a Bluetooth endowed GPS receiver.
• JVC Alneo XA-107
  JVC has been slow in tackling the MP3 player market, but at last has a range of models including this low-end Flash memory-based 1GB player.
• T-Mobile MDA Vario II
  Last month several networks launched HSDPA (high speed downlink packet access) cards for laptops, which enable them to access the internet at speeds of up to 1.8Mbps.
• WoW, the world's biggest game is about to get bigger
  Blizzard boss Paul Sams talks about World of Warcraft, the planet's most popular online role playing game, and Burning Crusade, its first expansion pack.
• Escape from real life into ... someone else's real life
  Keith Stuart: Last week I interviewed veteran videogame artist Bill Eaken - well-known for his work on classic LucasArts adventure titles such as Monkey Island and The Dig - about his latest project, The Exchange Student.
• What is a Chumby and why would I want to hack it?
  Think of it as a cross between an alarm clock and a Furby: it's the first computer you can both hack and hug.
• How can you patent a perpetual motion machine?
  Allegedly, by patenting different parts of it - because patent offices do not accept claims for perpetual motion machines.
• It just doesn't pay to be a loyal customer
  Victor Keegan: Time to buy a new mobile phone, always an exciting time for those of us who ought to get out more often.
• Time for these public sector pilots to earn their living
  Michael Cross: After more than a decade of headlines about fiascos, we're supposed to be getting the hang of IT in the public sector. Sometimes I wonder.
• Technobile
  Laura Parker: Text messaging is meant for fun and flirting, not flogging credit cards and root canals.
• Read this week's letters and blogs
  Send your letters, comments, questions and rants to tech@theguardian.com, and please include your address and post town.
• Newsbytes
  Zune tune | Hypermice | Mobilising mobi | AOL 9 blasted | Gone SMiShing | BarCamp London | Plug for Koss
• Ask Jack
  Send your questions and comments to Jack.Schofield@theguardian.com. Published letters will be edited for brevity, but include full details with your query.
  

  Please visit our Ask Jack weblog for daily updates.