Can you live for a month using only an iPhone to pay for things?

Christina Bonnington sure hopes so.

According to the tech press, one of the "missing features" in the iPhone 5 was the lack of "near-field communications", or NFC, technology. The promise of such tech is that it allows you to turn a phone into a programmable contactless card, and wave it at readers to make payments all day long.

As Matt Drance writes, there was never really any doubt that Apple would not introduce the tech in the iPhone, because although it's a promising technology, it doesn't actually have any use. At least, not today. And so Apple is waiting until it does have some practical applications before moving to roll-out.

In the meantime, one Wired reporter is finding out that it's perfectly possible to make payments with your iPhone today, NFC be damned. Well, not perfectly possible; but doable with a little graft.

Christina Bonnington is living walletless for a month:

You never realize how handy cash is until you don’t have any.

I learned this lesson one day last week when, overcome by hunger, I wandered into the Wired kitchen to grab a bagel for breakfast. I reached into my pocket and suddenly remembered I couldn’t pay for it. See, I’ve decided to spend a month living without a wallet, using my smartphone and various apps to pay for everything. We’re pretty wired here at Wired, but the kitchen still demands cash. Luddites.

Dejected, I went back to my desk and, facing a deadline and unable to venture out into the world, grabbed the first thing that came to hand: a granola bar that’s been sitting in the bottom of my backpack since CES. This culinary disaster was the one setback in what’s been an otherwise flawless week without a wallet, and it taught me a valuable lesson: Be prepared.

We'll see if she can pull it off.

A woman uses Square, a US-only app enabling any iPhone to make mobile payments. Photograph:squareup.com

Alex Hern is a technology reporter for the Guardian. He was formerly staff writer at the New Statesman. You should follow Alex on Twitter.

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Emmanuel Macron offers Theresa May no comfort on Brexit

The French presidential candidate warned that he would not accept "any caveat or any waver" at a press briefing in London.

Emmanuel Macron, the new wunderkind of French politics, has brought his presidential campaign to London. The current favourite to succeed François Hollande has a natural electoral incentive to do so. London is home to 300,000 French voters, making it by France's sixth largest city by one count (Macron will address 3,000 people at a Westminster rally tonight). But the telegenic centrist also took the time to meet Theresa May and Philip Hammond and to hold a press briefing.

If May hoped that her invitation would help soften Macron's Brexit stance (the Prime Minister has refused to engage with his rival Marine Le Pen), she will have been left disappointed. Outside No.10, Macron declared that he hoped to attract "banks, talents, researchers, academics" away from the UK to France (a remark reminiscent of David Cameron's vow to "roll out the red carpet" for those fleeing Hollande). 

At the briefing at Westminster's Central Hall, Macron quipped: "The best trade agreement for Britain ... is called membership of the EU". With May determined to deliver Brexit, he suggested that the UK would have to settle for a Canadian-style deal, an outcome that would radically reduce the UK's market access. Macron emphasised that he took a a "classical, orthodox" view of the EU, regarding the "four freedoms" (of people, capital, goods and services) as indivisible. Were Britain to seek continued financial passporting, the former banker said, it would have to make a significant budget "contribution" and accept continued immigration. "The execution of Brexit has to be compliant with our interests and the European interest".

The 39-year-old avoided a nationalistic tone ("my perspective is not to say France, France, France") in favour of a "coordinated European approach" but was unambiguous: "I don't want to accept any caveat or any waver to what makes the single market and the EU." Were the UK, as expected, to seek a transitional arrangement, it would have to accept the continued jurisdiction of the European Court of Justice.

Elsewhere, Macron insisted that his liberal economic stance was not an obstacle to his election. It would be fitting, he said, if the traditionally "contrarian" France embraced globalisation just as its counterparts were rejecting it. "In the current environment, if you're shy, you're dead," he declared. With his emotional, straight-talking approach (one derided by some as intellectually threadbare), Macron is seeking to beat the populists at their own game.

But his views on Brexit may yet prove academic. A poll published today showed him trailing centre-right candidate François Fillon (by 20-17) having fallen five points since his denunciation of French colonialism. Macron's novelty is both a strength and a weakness. With no established base (he founded his own party En Marche!), he is vulnerable to small swings in the public mood. If Macron does lose, it will not be for want of confidence. But there are unmistakable signs that his forward march has been halted. 

George Eaton is political editor of the New Statesman.