This week in Technology: Chinese hacker attacks, secondhand games, Apple on Intel and so much more

• Smash and grab, the hi-tech way
  Last year, parliament nearly fell victim to a sophisticated hacking fraud - that security services believe came from China, says Pete Warren
• Fraud nags at Google strategy
  The threat of click fraud threatens the search giant's plans for the future. Charles Miller explains
• Publishers fret over 'pre-sold' boom
  Games publishers say the thriving secondhand market puts the development of innovative genres at risk. Does it? Mike Anderiesz reports.
• It's racist, it's sexist, it's virtual: welcome to Azeroth!
  Reality is leaking unpleasantly into World of Warcraft's online community of five million, writes Aleks Krotoski
• Intel link will offer Apple Windows of opportunity
  Jack Schofield: With the launch of Apple Macintoshes based on Intel processors, will we be able to run Microsoft Windows and Mac OS X on the same machine?
• Regulations strangle energy innovation
  Fuel-cell technology will be the next big thing to power consumer devices, but it needs to clear a few hurdles, explains Danny Bradbury
• Technobile
  Charles Arthur: Another document to write, another chance to play font roulette with Microsoft Word
• 
  
• Breaking down class barriers
  The government is putting millions into IT for schools. But will suppliers benefit more than the pupils, asks Michael Cross
• Play with your brain, not just your joystick
  Gamesblog: In Japan, they have had enough. Already addicted to brain-enhancing grid puzzles such as Sudoku and Kakuro, they want a similar workout from videogames
• Industrial revolution in your own home
  Victor Keegan: If you have any doubts about the extent of the migration of entertainment and industry to the home, then count up the number of electric motors in your dwelling
• Read this week's letters
  Send your letters, comments, questions and rants to tech@theguardian.com, and please include your address and telephone number. (We won't use them, but do still need them)
• 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. See the Ask Jack weblog for daily updates.
• Briefly:
• • When is an online contract watertight?
    A lawyer explains that smart internet retailers know that even where they take money up front, they may benefit by delaying the point of conclusion of the contract until goods are despatched.
  • How quickly do you judge a website?
    Within one-twentieth of a second, according to Canadian researchers who flashed up screens and found that people formed subliminal judgments about their like or dislike of a page before they had had a chance to read it.
  • Does Scarlett Johansson need regulatory oversight?
    No, but her new makeup might. Hollywood star Johansson has just signed a multimillion-dollar deal with cosmetics company L'Oréal in which her face will promote nanotechnology-based pigments.
  • Is time running out for the wrist watch?
    With more and more of us able to check the time on our mobile, MP3 player, digital radio etc, what use are watches?
  • Short shrift: Is the new version of Apple's iTunes spyware? | Was the WMF exploit a backdoor in Windows? | Do people really want to watch TV on their mobile?