The web and me: A 25-year relationship

Twenty-five years ago Sir Tim Berners-Lee was working at a physics laboratory at CERN, in Switzerland, when he came up with a proposal for the World Wide Web.

Since then the web has become a system used across the world to allow people to share and access information.

A selection of people whose lives have been transformed or influenced by the web explain what it has meant to them.

Snowden: Surveillance is 'setting fire' to the internet

Edward Snowden spoke about what he his duty to the US constitution

 Global mass surveillance conducted by the US and other governments is "setting fire to the future of the internet", Edward Snowden told a packed auditorium of technology innovators via video link in Austin at the South by Southwest Interactive conference on Monday.

He said: "You guys are all the firefighters, and we need you to help us fix this."

RoboEarth, the world wide web for robots.

The RoboEarth system will be tested in a hospital setting.

A world wide web for robots to learn from each other and share information is being shown off for the first time.

Scientists behind RoboEarth will put it through its paces at Eindhoven University in a mocked-up hospital room.

Four robots will use the system to complete a series of tasks, including serving drinks to patients.

It is the culmination of a four-year project, funded by the European Union.

The eventual aim is that both robots and humans will be able to upload information to the cloud-based database, which would act as a kind of common brain for machines.

Silk Road: Will cybercrime evolve in wake of takedown?

Anonymity is one of the most prized assets on the "dark web"

ilk Road, the infamous online marketplace for drugs and other illegal goods, was closed down by the FBI earlier this month. Since then its alleged founder, Ross Ulbricht - who denies being the site's operator known as Dread Pirate Roberts - has been taken into custody, and police forces around the world have been making arrests.

It is a blow to the sale and distribution of harmful substances, including cocaine and heroin, as well as disrupting other criminal activities arranged online, such as the sale of weapons and hitmen for hire.

Nike shows off Fuelband SE activity-tracking wristband

The Fuelband SE looks similar to the earlier model,
but now features a coloured underside

 Nike has unveiled its second generation activity-tracking wristband, addressing criticism that its earlier device failed to recognise that some activities use more energy than others.

The Fuelband SE lets owners define the start and end of a session and then tag it - for example as yoga or basketball.

The firm's software then adjusts its "fuel" score accordingly.

However, speculation that Nike would add a heart monitor or other new sensor to improve accuracy proved incorrect.

The New York launch came a fortnight after the Fitbit Force was unveiled - a rival activity tracker that introduced a height-measuring altimeter that can record how many stairs its owner has climbed.

John McAfee: Addict, coder, runaway

Who is the real John McAfee? He's the man who went on the run after his neighbour was found dead, face-up, with a bullet in his head. He's the man who jump-started the multibillion-dollar anti-virus industry. And now he thinks he can make you invisible on the internet.

Within tech circles he's long been a legend. But for most people, McAfee came to prominence last year when he fled his Central American home - teeth stained, hair dyed, in disguise - rather than let himself be questioned by authorities he accused of being corrupt.

Dark web 'will evolve', warns UK cyber crime chief Andy Archibald

Andy Archibald, head of the UK's National Cyber Crime Unit, says the "dark web" of criminal activity will continue to evolve

The "dark web" services used by criminals will continue to evolve in an attempt to evade authorities, the UK's cybercrime boss has warned.

Last week, notorious drugs market place the Silk Road was shut down after a lengthy investigation.