BBC News - Technology

• Pakistan restores Twitter access
  Pakistani authorities restore access to the social media website Twitter after a brief ban for what officials called "offensive" content".
  
• Facebook: Living 'the hacker way'
  Will Facebook keep innovating post-IPO?
  
• VIDEO: Twitter banned in Pakistan
  Pakistan's government has imposed a countrywide ban on the social media website Twitter.
  
• VIDEO: Facebook founder's new status
  The founder of Facebook, Mark Zuckerberg, updates his status on his own Facebook page to announce he has married long-time girlfriend Priscilla Chan.
  
• Facebook: How the others fared
  A look at a selection of internet companies that previously floated on the US stock exchange