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If your job involves having to destroy hard disks and make sure that their data is impossible to recover, you’ll know that it can be an expensive business: properly disposing of each hard disk can cost between £5 and £10 and, when you’re managing the IT affairs of potentially large businesses, these costs can mount up.

simply chopping the platter in half wouldn’t remove the data” and confirmed that it could be recovered – but the costs of retrieving any remaining information “would be prohibitive”. That’s because you’d need “something along the lines of an electron scanning microscope” to read the data from the remains of the platter – and those currently sell second-hand for at least £40,000. Tanfield-Johnson also confirmed that, once you’d cracked open a hard disk to extract the platters within, recovering any data would become even more difficult, because you’d need “the same model and make of [circuit] board” to access each track of data on the disk. So, unless you’re willing to spend tens of thousands of pounds, it looks like your data is safe.

Some analysts say that within five years, mobile phones in the United States will be able to make electronic payments, open doors, access subways, clip coupons and possibly act as another form of identification.

Some analysts say that within five years, mobile phones in the United States will be able to make electronic payments, open doors, access subways, clip coupons and possibly act as another form of identification.

At the end of 2008, there were an estimated 4 billion mobile phone subscriptions worldwide, according to the International Telecommunication Union, a United Nations agency. That's about two cell phone subscriptions for every three people.

"Even though the economy is not as bad as it used to be, we are still seeing a good uptake. Our traffic is still going strong," Larizadeh says.

Four years and a round of venture capital funding later, what started as a hobby designed to help friends share career information has turned into a network with approximately 600,000 members.

Schools like The Wharton School of the University of Pennsylvania and Duke University's Fuqua School of Business have formed partnerships with Doostang that enable their students to access the network's premium job listings for free.

A US federal court has ordered Microsoft to pay over $290m (£175m) for wilfully infringing on a patent by Canadian firm i4i.

XML, a mark-up language that allows formatting of text and makes files readable across different programs.

Microsoft's word-processor Word.

a Facebook account that was opened without the knowledge or consent of his parents."

the minor's medical information may have been stored

Facebook makes reasonable efforts to remove accounts of children where there is evidence they are under 13,

Attackers on the official Kadima website posted images of wounded Palestinians and the aftermath of suicide bombings in Israel.

According to AP news agency, the hacked web page was signed Gaza Hacker Team.

Kadima, a centrist political party that favours a two-state solution to the Middle East conflict, is the largest party in the Israeli parliament. It was unable to form a government, and is currently in opposition.

A cyber crime ring has set a new record for the number of credit cards it hacked and compromised -- 130 million.

It's a shared responsibility because the payment system is like a giant refinery, with tubes and pipes and valves everywhere.

Because the same PIN you use to buy gas at a gas station you use to get cash out of a ATM.

The electronics giant said it would stop using a proprietary standard in favour of the ePub open format.

Sony said it would have its store converted to the format by the end of 2009. Most Sony Readers can already handle books in the ePub format.

This may not mean the end of all locks on books readable on Sony's device as the ePub format has an option to implement copyright controls.

Both groups are hoping to win the right to sell .eco "top-level domain names", which are similar to .com or .uk.

Big Room also would like to see companies use .eco sites to publish all of their green information.

Big Room, which is endorsed by WWF International and Green Cross, also plans to generate money from the sale of .eco domain names to fund "sustainability projects".

"It's invisible to the user but logs everything: communication, users' locations, people's proximity by doing continuous Bluetooth scans."

Friendships can be inferred with 95% accuracy from call records and the proximity of users, says a new report.

but to carry on this "reality mining" in contexts ranging from the modelling of the spread of disease t

non-commercial internet file-sharing

peer-to-peer networking

future government policy,

it also means that people can be illuminated without being aware of it.

The ability to provide real-time surveillance of large areas may be getting closer, as the Army launches a quest for a 2.3 gigapixel camera that could be packaged aboard a drone or a manned aircraft.

In terms of specifics, the Army is looking for 2.3 gigapixels running at two frames per second. By my reckoning, this suggests continuous coverage of area of around sixty-two square miles at 0.3m resolution with a single sensor

cyberspace is dominated by it

Today, computer scientists outline a new way of predicting the next attack so that you can block it in advance.

Last year, computer scientists began exploring a potentially more effective approach: predicting the sites most likely to attack and blocking them in advance. The technique, called highly predictive blacklisting, uses data from past attacks to create a network-type graph out of the pattern of links between victims .