In print: Iran's blogging nation, Dell's green aims and much more

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

• Iran's big brother for bloggers
  Respectful comments on the president's blog are in sharp contrast to the censorship of ordinary web users in the Islamic republic, reports Saeed Kamali Dehghan from Tehran.
• Address database plan finally abandoned
  Free Our Data: Initiative collapsed because government agencies could not agree on how to share their information.
• Salving your green conscience via Dell will cost you an extra £3
  Dell hopes that people will pay another £1 for a notebook or £3 more for a desktop machine to part-fund the planting of trees to offset the CO2 generated by the electricity needed to power them over three years. Charles Arthur reports.
• Newly Asked Questions:
  • Just how much does the internet actually weigh?
    About two ounces (60 grams), or perhaps 0.2 millionths of an ounce (6 micrograms), depending which method you use to calculate the weight of the active electrons necessary to sustain the global network, writes Charles Arthur.
  • Are Steve Jobs and Bill Gates friends once again?
    What do you mean, 'again'? They've never been enemies; in fact, they've been friends for decades, says Charles Arthur.
• Second Lifers get a voice and change the world
  Aleks Krotoski: The timeline of developing nations is littered with the husks of communities which have fallen at social challenge.
• Games
  Mario Strikers Charged Football | Halo 2 | Shadowrun
• The self-recording craze is nothing new - but now we do it digitally
  Nicholas Carr: The unexamined life, said Socrates, is not worth living. Today, we seem to be operating under a new and very different dictum: the unrecorded life is not worth living.
• Collecting friends is the new philately
  Victor Keegan: These new sites are making personal relationships more intimate on a global scale. The likes of Facebook have added a fresh layer of communication.
• Technobile
  Wendy M Grossman: Remember the simpler days when we all had just one phone and having a second line was unusual?
• Making fun out of the Chernobyl disaster
  From Sony's goat to the GTA series, developers revel in controversy. But is it attention-seeking or can there be a loftier purpose? Alexander Gambotto-Burke reports.
• This time, it's Microsoft which must adapt or die
  Charles Arthur: The game has changed since Microsoft could assume that every new version of Office would be snapped up.
• How we have been fooled by utopian visions of the future
  Our expectations of technology are borne out of Cold War spin, according to a London academic. Christine Evans-Pughe investigates.
• 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 the Ask Jack weblog for daily updates.
• Newsbytes
  HTC touches UK | Palm's mobile companion | Ask upgrades search | Memory drives on | TV to phone | LogMeIn for Macs | UK's net lead
• Letters and blogs
  Send your letters, comments, questions and rants to tech@guardian.co.uk, and please include your address and post town.