David Cameron now has a special app to run the country. But what else is on his iPad? John Rentoul sneaks an iPeek

The two men who hugged in the dock of Court Six yesterday have had their differences – Milan Mandaric called Harry Redknapp's move from Ports-mouth to Southampton a "bitter divorce" – but their friendship has remained intact throughout years of suspicion and accusation. At its conclusion the "odd couple", as one defence barrister called them, struck a similar chord. Redknapp's "nightmare" was Mandaric's "horrible dream".

The widening boardroom cull at Yahoo last night claimed the company's chairman, Roy Bostock, and three other non-executive directors.

You mean 'the visionary Marc Andreessen', of course?

The Andregg brothers might have the cure for all our illnesses in their grasp. But how do a pair of penniless science nerds raise the millions needed to unlock the very fabric of our DNA? Dream big - and get lucky...

Tired of liberals and state debt, southern Californian Jeff Stone has come up with a radical secessionist plan. Guy Adams reports

The founder of Zynga, the company behind the hugely popular CityVille Facebook game, is set to become Silicon Valley's latest billionaire.

US Outlook: On the subject of departures from Mr Obama's economics team, the president's former chief adviser and Harvard professor, Larry Summers, joined the advisers of Marc Andreessen's venture capital firm this week.

We're conditioned to prize principle above everything. But history shows that adapting to circumstances is more effective, says Tim Harford

Less than five years after Twitter's founders dared to believe that there was nothing important that couldn't be said with 140 characters or less, it is attracting takeover interest from the biggest companies on the internet, and the price being put on it is a thumping $10bn.

One of the biggest films of last year, The Social Network, is hotly tipped to pick up several Academy Award nominations when they are announced today. But an unwilling star of the movie charting the birth of Facebook wants everyone to know it is a "work of fiction".

As environmentalists head for Cancun, the President pioneers a new type of eco-symposium

London's East End can be transformed into a world-leading technology city to rival Silicon Valley in California, David Cameron will claim today.

How much?