Stuck torrents, AAC vs WMA vs MP3, Canada's free maps, open source car design and how much energy standby *really* uses

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

• Can stuck torrents beat pirates?
  Online filesharing of movies and music has the Hollywood hotshots hopping mad, but they are fighting back with the help of anti-piracy firms, as Danny Bradbury discovers.
• Finding the music format of the future
  Quality, copy protection and the threat of billion-dollar lawsuits are all factors when choosing encoding systems. Jack Schofield reports.
• Canada drops licences and adopts free model for map data
  Free Our Data: Rationale for charging has gone, says government information expert
• He's not the messiah, he's just a world developer
  Aleks Krotoski: Curious things in cyberspace No. 372: The Green Cube Shrine to Second Life creator Philip Rosedale.
• Games
  Guitar Heroes II | Elder Scrolls IV: Shivering Isles | Command & Conquer 3: Tiberium Wars
• Newly Asked Questions
  • Is Vonage toast after its patent battle with Verizon?
    Not yet, but it's beginning to look a bit brown around the edges, says Charles Arthur.
  • Should Apple start manufacturing insulin pumps?
    Some people would be happy if Apple designed them. You might wonder: why should the coolest computer company consider a dull but vital gadget that keeps millions of people alive, writes Kate Bevan.
• Read me first
  Andrew Brown: Why Linux is the perfect system for people who hate computers.
• To the average Joe, blogs aren't cutting it
  Victor Keegan: This month's state of the blogosphere survey by Technorati, the monitoring service, was greeted as if it were the online equivalent of the President's State of the Union address.
• Technobile
  I know I've reached rock bottom, writes Pem Charnley, because I'm taking sick delight in watching RSS feeds eat each other.
• Can open source techniques be used to design a car?
  Hobbyists are taking on the giant car makers with the development of the world's first open source vehicle. Sean Dodson reports.
• Has Land Registry bitten off more than it can chew entering the matrix?
  Michael Cross: If I were setting up a giant government IT system designed to create new perceptions of the world, I wouldn't put the word matrix in its name. Really.
• Stand by for some home truths about power consumption
  By focusing their efforts on TVs left in standby mode, writes Ron West, environmentalists might just be missing the point.
• Newsbytes
  Nerd in space | Game for a chat | Search Google vocally | Aids networking | Sing ring ring | Blogger crackdown | Free Anti-Rootkit | Infosecurity expo
• Letters and blogs
  Send your letters, comments, questions and rants to tech@guardian.co.uk, and please include your address and post town.
• Ask Jack
  Send your questions and comments to Jack.Schofield@guardian.co.uk. Published letters will be edited for brevity, but include full details with your query.
  

  Please visit our Ask Jack weblog for daily updates.