The latest stories from the Technology section of the BBC News web site.
Updated: 9 hours 14 min ago
Almost five billion mobile phone location records are logged by the NSA every day, reports the Washington Post.
The digital music spin-off from the maker of Beats by Dr Dre headphones will arrive in January.
Ford Mustang and the history of US muscle cars
Uganda's parliament gives iPads to all MPs at a cost of $370,000 - a move which is criticised by many people.
A plan to transform the benefits system risks becoming a disaster
Chinese financial regulators have banned the nation's banks from handling transactions involving the Bitcoin virtual currency.
The UK government wants to make Britain a world leader in developing autonomous vehicles.
The movements of hundreds of millions of mobile users are being tracked by the NSA every day, reveals the Washington Post.
Virgin is to enter a team for the first FIA Formula E electric racing car championship, which gets out of the grids next year.
Several prisoners awaiting trial in a notorious political murder case seem to be updating their Facebook pages from jail, it's reported.
China has awarded its first licences to mobile phone companies to provide the superfast 4G mobile network to customers.
Is choosing to block online advertising ethical?
How easy is it to break suspects' GPS tags?
A fuel cell has been fitted in the basement of a new development off Regent Street in London.
Should we fear the rise of Chinese telecoms group Huawei?
Israel's high tech companies are in London to woo European investors.
The group of companies that develop the USB cable announce that a forthcoming generation will be able to be plugged either way round into computer sockets.
Music streaming website Spotify responds to critics by revealing how much it pays in royalties, it says more than $1bn (£612m) since 2008.
People accused of stealing bitcoins - a virtual currency - have been detained by police in two separate operations in China and Germany.
The BBC's Legal Correspondent Clive Coleman explains how to avoid legal action over tweets and status updates.