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In a 10-day experiment in 2008, Japanese and American college students were given the task of building a complex contraption while wearing the next generation of jerk-o-meter - which by that time had been more diplomatically renamed a "sociometric badge". As well as audio, their badge measured proximity to other people.

Physiological responses can now even be tracked remotely, in principle without your consent. Last year, Picard and one of her graduate students showed that it was possible to measure heart rate without any surface contact with the body. They used software linked to an ordinary webcam to read information about heart rate, blood pressure and skin temperature based on, among other things, colour changes in the subject's face (Optics Express, vol 18, p 10762).

One blogger from tech site Mashable found this week that Google's Ad Preferences page assume that she was middle-aged - and a man, simply because her interests included technology and computing.  The profile page, called Ad Preferences, is hidden away inside a settings menu in Google Accounts, but can be accessed directly here. This sort of in-depth profiling raises alarm bells with privacy activists. 'Consumers have increasingly digital lives and they are developing an unfathomably large data trail every day,' says Rainey Reitman, activism director for privacy group Electronic Frontier Foundation. 'There has never been another time in history where privacy was under the kind of assault it is today.'You can opt out of the tracking, or manually edit your details. Google also  does not store information on controversial subjects such as pornography. The Ad preferences page came to public attention following a sweeping change to 'privacy policy' which comes into effect on March 1, although the preferences page was launched some time ago. YouTube data, Gmail information and search data will all be used to build up ever more accurate advertising profiles and also the company claims it will make searches more personalised.

The first mobile phone to work with the new Nokia NFC is the Nokia 3220 (pictured), a tri-band camera phone that is available in two versions: a GSM 900/1800/1900 primarily for the European and Asian markets, and a GSM 850/1800/1900 primarily for the Americas. The Nokia NFC shell is a functional cover developed for the Nokia 3220 phone. The Nokia NFC shell with four tags will be available during the first quarter of 2005 in Europe, and during the second quarter 2005 in the Americas and Asia.

"Americans seem to be more skeptical of new technology like this," Nogee said, largely because of security and privacy concerns.

However, Nogee said the systems seem to have adequate security measures -- like requiring personal identification numbers, so thieves could not make purchases -- and could provide consumers with added protections in some cases.

"In theory, merchants will have wireless devices they can bring to you," he said. "When you buy something in a restaurant, you have to give them your card. They go off with your card and could be writing down your number. With this, they'd bring a portable device to your table and (the transaction) would be encrypted."

But Nogee said some apprehension about privacy might be well-founded.

"A carrier, if they wanted to, could know exactly where you are any time of day, who you're calling, and now they can know what you're purchasing and where," Nogee said. "So if you tie all these things together, that's quite a lot of information available on you."

Payments are not the only potential use for the technology. Philips and Samsung have suggested NFC devices could also work as mobile transit passes for users who would swipe their phones to get access to public transportation, and as secure building-access keys and electronic business cards. The technology could also let users swap digital music, photos or other files between devices.

Don't go throwing away your wallet just yet, though. The companies have not set a date for when the phones will be for sale in the United States. And even if security and privacy worries are allayed, the technology will need to be widely usable for consumers to adopt it. That means NFC devices from different manufacturers must be interoperable and integrated to work with the credit card infrastructure.

To that end, Nokia, Philips and Sony formed the Near Field Communication Forum in March to promote implementation and standardization of NFC technology. Philips is also working with Visa to encourage support of the technology.

The company also recently launched a mobile version of UltimatePay, which gives smartphone developers a way to deliver a one-click payment experience to mobile gamers, and provide a comprehensive payments offering. The mobile focused platform allows players to view their balance and transaction history, while allowing them to purchase items in-app without ever having to leave the game

As virtual goods becomes a booming business, PlaySpan has reaped the benefits of technology and media companies looking to incorporate virtual goods into their platforms.

Visa says that ecommerce sales, which reached an estimated $948 billion, are a big growth area for the company. Approximately 45 percent of U.S. online spending takes place on Visa’s network today and for Visa’s fiscal first quarter 2011, the company reported 25 percent year-over-year growth in ecommerce payment volumes globally. Visa is going to use PlaySpan to capitalize on the growing digital goods market, which generated an estimated $25 billion in consumer spending globally in 2010 and is expected to reach $280 billion by 20143.

The acquisition is even more impressive when you conside that the company was founded by 12-year-old, Arjun Mehta, in 2006. PlaySpan is actually run by the teenager’s father, CEO and co-founder Karl Mehta.

Zaarly is available on the iPhone, Android, “and all Web-enabled mobile phones via your mobile Web browser, as well as through the Web and Facebook on your desktop computer,” the company says. “The integrated Zaarly platform allows buyers and sellers to connect while they are on-the-go or from the convenience of home or office.

Most of the tech created at the conference was aimed at Egypt's upcoming elections, which civil-society activists have been obsessively monitoring. The upcoming vote is expected to be the first free election for a leader in Egypt's long, long history. Elections are expected to occur in October or November; the ruling military junta has been unclear on the exact date.

The conference's most intriguing result was a platform for crowdsourcing the new Egyptian constitution. The platform, which appears to have drawn inspiration from a similar project in Tunisia, allows users to simultaneously browse constitutional texts from multiple countries, propose articles and ideas online and to collaborate on compiling the ideas into a workable text. Owing to Egypt's special circumstances, the platform also contains extensive provisions for off-computer use--many Egyptians simply don't have regular access to either a computer or the Internet.

Other projects worked on at the hackathon included a web platform for training Egyptian election monitors and an interactive tool that allows voters to explore the policies of various parliamentary candidates.

“There won’t be commerce without social,” he said. “Social shopping today is where online shopping was before Amazon came on the scene. The Amazon of the space has yet to be built.”

Rajaraman says Wal-Mart has an inherent advantage because it has 9,000 stores around the world, which generate 10.5 billion customer visits a year. It makes sense for people to use their phones in the stores to search for information about products, ask friends for advice and other social activities.

In the virtual world, an end-cap could be personalized email sent to you with a curated list of items that you like, similar to Gilt Groupe or Groupon. To make these recommendations, they said they will be gathering information from people’s Twitter accounts and Facebook pages — with their permission.

Far from being ordinary and universal, friendship, for the ancients, was rare, precious, and hard-won. In a world ordered by relations of kin and kingdom, its elective affinities were exceptional, even subversive, cutting across established lines of allegiance.

Friendship was a high calling, demanding extraordinary qualities of character—rooted in virtue,

Christian thought discouraged intense personal bonds, for the heart should be turned to God.

The classical notion of friendship was revived, along with other ancient modes of feeling, by the Renaissance. Truth and virtue, again,

The modern temper runs toward unrestricted fluidity and flexibility, the endless play of possibility, and so is perfectly suited to the informal, improvisational nature of friendship. We can be friends with whomever we want, however we want, for as long as we want.

in ancient times

The culture of group friendship reached its apogee in the 1960s. Two of the counterculture’s most salient and ideologically charged social forms were the commune—a community of friends in self-imagined retreat from a heartlessly corporatized society—and the rock’n’roll “band” (not “group” or “combo”), its name evoking Shakespeare’s “band of brothers” and Robin Hood’s band of Merry Men, its great exemplar the Beatles.

Friendship is devolving, in other words, from a relationship to a feeling—from something people share to something each of us hugs privately to ourselves in the loneliness of our electronic caves, rearranging the tokens of connection like a lonely child playing with dolls.

And now friendship, which arose to its present importance as a replacement for community, is going the same way. We have “friends,” just as we belong to “communities.” Scanning my Facebook page gives me, precisely, a “sense” of connection. Not an actual connection, just a sense.

The more people we know, the lonelier we get.

But when I think about my friends, what makes them who they are, and why I love them, it is not the names of their siblings that come to mind, or their fear of spiders. It is their qualities of character. This one’s emotional generosity, that one’s moral seriousness, the dark humor of a third.

So information replaces experience, as it has throughout our culture.

Character, revealed through action: the two eternal elements of narrative. In order to know people, you have to listen to their stories. (…)

No solitude, no friendship, no space for refusal—the exact contemporary paradigm.

even greater understanding of the immensity of this problem and each of us will develop their own ways of dealing with the stress of conversation overload.

Brands are spam, easy to ignore. People are not -- and that's the problem.

“We’ve been talking for a while about how the four megatrends of mobile, social, local and digital will change commerce. Yesterday at f8, Facebook made some great announcements that will change social networking. When social and commerce join together great things will be possible and developers will be able to monetize these new developments very quickly.”

With more retailers flocking to Facebook, and as more money is passing through the network via games, apps and others experiences, there is a huge potential for many integrations with online payments giant PayPal. Another announcement we can expect PayPal to make soon—a new payments platform for merchants and in-store payments integrations with retailers.

Improve the customer experience

STOP minimizing the value of your customer! They are more influential to you in the post-commerce phase than you can imagine.

the brand of your business is the culmination of shared experiences

I personally love the customer; they are my passion and success. I represent them in everything I do. I use their stories to drive change. It is something you may want to do to.

Frank Eliason is SVP of Social Media for Citibank in New York. He previously did social media customer service for Comcast,