(Electronic) money, (electronic) money, (electronic) money

How do you promote your campaign to phase out physical currency? Get an endorsement from ABBA, of co

Because of all the excitement over the Budget, one could be forgiven for missing the biggest story today, in the Washington Post:

“I can’t see why we should be printing bank notes at all anymore,” says Björn Ulvaeus, former member of 1970’s pop group ABBA, and a vocal proponent for a world without cash...

A cashless society may seem like an odd cause for someone who made a fortune on “Money, Money, Money” and other ABBA hits, but for Ulvaeus it’s a matter of security.

After his son was robbed for the third time he started advocating a faster transition to a fully digital economy, if only to make life harder for thieves.

“If there were no cash, what would they do?” says Ulvaeus, 66.

The Financial Times (£) has a more serious take on the same issue, which contains this interesting point:

Apart from anything else, there is a cost to handling cash, in terms of storing, guarding and shifting it. A 2010 report by Visa cited a European Commission estimate that the cost to society of all payment methods is the equivalent of about 2-3 per cent of Europe’s GDP, of which cash accounts for two-thirds. A 2008 study by the McKinsey consultancy estimated that in Europe €60bn-€100bn annually is spent on processing cash payments, a figure that includes the production of notes and coins, transport and security. A similar study by the Dutch central bank puts the price tag at €300 per family. A number of Dutch supermarkets are talking about moving exclusively to cashless payments by 2014, in part to get away from cash handling costs. The motivation is the same for governments.

Given we were talking about the downside of transaction taxes this morning, it's worth bearing in mind that transaction costs have the same problem. If someone doesn't buy something because they don't have the cash on them, that is a net loss in welfare – both the potential buyer and potential seller are worse off than if the transaction had gone ahead. As anyone who has ever actually been in that situation knows.

Gimme, gimme, gimme a card after midnight. Credit: Getty

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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Tom Watson rouses Labour's conference as he comes out fighting

The party's deputy leader exhilarated delegates with his paean to the Blair and Brown years. 

Tom Watson is down but not out. After Jeremy Corbyn's second landslide victory, and weeks of threats against his position, Labour's deputy leader could have played it safe. Instead, he came out fighting. 

With Corbyn seated directly behind him, he declared: "I don't know why we've been focusing on what was wrong with the Blair and Brown governments for the last six years. But trashing our record is not the way to enhance our brand. We won't win elections like that! And we need to win elections!" As Watson won a standing ovation from the hall and the platform, the Labour leader remained motionless. When a heckler interjected, Watson riposted: "Jeremy, I don't think she got the unity memo." Labour delegates, many of whom hail from the pre-Corbyn era, lapped it up.

Though he warned against another challenge to the leader ("we can't afford to keep doing this"), he offered a starkly different account of the party's past and its future. He reaffirmed Labour's commitment to Nato ("a socialist construct"), with Corbyn left isolated as the platform applauded. The only reference to the leader came when Watson recalled his recent PMQs victory over grammar schools. There were dissenting voices (Watson was heckled as he praised Sadiq Khan for winning an election: "Just like Jeremy Corbyn!"). But one would never have guessed that this was the party which had just re-elected Corbyn. 

There was much more to Watson's speech than this: a fine comic riff on "Saturday's result" (Ed Balls on Strictly), a spirited attack on Theresa May's "ducking and diving; humming and hahing" and a cerebral account of the automation revolution. But it was his paean to Labour history that roused the conference as no other speaker has. 

The party's deputy channelled the spirit of both Hugh Gaitskell ("fight, and fight, and fight again to save the party we love") and his mentor Gordon Brown (emulating his trademark rollcall of New Labour achivements). With his voice cracking, Watson recalled when "from the sunny uplands of increasing prosperity social democratic government started to feel normal to the people of Britain". For Labour, a party that has never been further from power in recent decades, that truly was another age. But for a brief moment, Watson's tubthumper allowed Corbyn's vanquished opponents to relive it. 

George Eaton is political editor of the New Statesman.