Anna Doble

Channel 4 News learns an international computer hacking group may have targeted the 2011 UK census, as a 19-year-old is arrested in Essex on suspicion of masterminding activity by LulzSec.

As one of the men who launched Kylie Minogue’s music career says pop is now verging on porn, Madonna biographer Lucy O’Brien talk to Channel 4 News about the pressure to “sex it up”.

Former captain Mike Atherton questions whether England’s cricketers should still tour Sri Lanka, in light of alleged war crimes. In a Channel 4 News poll, 87 per cent agreed there should be a rethink.

Julian Assange has put himself up for sale on eBay, offering bidders the chance to join him for lunch. So does it mean WikiLeaks has run out of money? Not yet, says a former spokesman for the group.

Facebook admits it “should have been more clear” about the launch of a facial recognition tool, as users tell Channel 4 News the software feels “creepy” and “like surveillance”.

As US lawmakers discuss America’s spiralling debts, Channel 4 News counts out dollar bills and discovers the $14tr owed by the US could wrap around the globe 35 times.

A security firm offers to replace up to 40m electronic keys after its system is compromised. Amid fears of state-sponsored hacker teams, a UK expert tells Channel 4 News “one person could do it”.

As another faceless Twitter user posts alleged details of privacy injunctions involving the rich and famous, a media lawyer and tech expert argue for and against freedoms like this on social media.

More of us are using 3G broadband than ever but Ofcom finds download speeds are still a lottery, even in cities. A mobile web expert tells Channel 4 News “overload” is a major problem.

A day of two halves: Barack Obama delivers an historic speech to MPs and Lords in Westminster Hall after serving up burgers at a Downing Street barbecue. Follow the live blog for updates and video.

The battle between a law firm and Twitter intensifies as another footballer with an injunction is reportedly named. A media lawyer tells Channel 4 News the “system must modernise to deal with it”.

Media lawyer Mark Stephens tells Channel 4 News the originator of Twitter rumours which breach an injunction “will be traced” as a tech expert says the social media site itself should not be blamed.

Justice Secretary Ken Clarke tells Channel 4 News “all rape is serious” following earlier comments about rape sentencing which triggered widespread criticism. Ed Miliband says he should be sacked.

Exclusive: a YouGov poll for Channel 4 News finds more than half of Lib Dem supporters believe the Coalition will collapse before a general election and a third think Nick Clegg should go before then.

Hillary Clinton is “airbrushed” from a picture showing White House staff watching the mission to kill Osama bin Laden. The image was changed by a Jewish newspaper which does not print photos of women.