The latest stories from the Technology section of the BBC News web site.
Updated: 45 min 2 sec ago
A low-key protest by online activists has started outside the UK Government Communications Headquarters (GCHQ).
What new techs can reliably establish our identities?
Fuji Xerox develops robotic printer that can move around a lounge or office to bring documents to the person who printed them.
A camera harness for dogs from GoPro, plus other tech news.
An academic is posting millions of historic photos and illustrations to Flickr where they can be searched and copied without charge.
Google reveals it has built and tested its own drones as part of a plan to make automated deliveries to remote homes as well as disaster-hit zones.
Armed police dramatically raid the office of a video gamer near Denver, US - and the incident was broadcast live online.
South Korean tech firms LG and Samsung have announced more smartwatches, ahead of a widely anticipated entry to the sector from Apple.
The FBI says it is investigating reports in the US media of recent cyber-attacks against several US banks.
US defence giant Lockheed Martin is teaming up with an Australian technology firm to track space debris that can damage multi-billion dollar satellites.
A fault on Time Warner Cable's network left its 11.4 million broadband internet subscribers without a connection.
How people react to Gaza on social media
Could unused TV signal improve rural broadband?
David Grossman reports from the Isle of Wight, on the "white space" which could help remote areas access fast broadband.
Numerous records relating to civil rights cases have disappeared from the US government's online legal archive.
HP is asking the owners of more than six million power cables to send back the cords to avoid the risk of being burnt by the kit.
Ten groups have been chosen as finalists in a $10m (£6m) competition to develop a real-life "tricorder" - the medical scanner used in Star Trek.
Controversial beheading photo posts from Syria spur one of Facebook's safety advisers to call for pictures to have warnings.
The mobile messaging app Snapchat has been valued at $10bn, according to reports, putting it in the same league as start-ups such as Dropbox and AirBnB.