Twitter and American Express develop ‘pay by tweet’ system
Other social networks including Facebook could also generate extra revenue as users pay for products online. By Charles Arthur
Rebecca Adlington, you’re not the only person to retire at 23
The champion swimmer's retirement so young might have surprised many. But she is not alone. Other athletes – and even a member of Wham! – happily did the same, writes Leo Benedictus
Technology: how to land a job riding the silicon roundabout
The fast-moving technology sector may not be as far removed from your CV as you think. Jemima Kiss talks to people who have gained the skills to make a successful leap to IT
Rebellious HMV tweets are in a fine tradition
Richard Seymour: The retailer's Twitter account went rogue. It's always good to see workers take some control back over their fate
Orange could not accept a Sim-ple fact
When my smartphone connections failed, they blamed everything except the obvious – Sim card malfunction
Will the money Gérard Depardieu saves on tax really make him happy?
Deborah Orr: It is important for social democracies to allow the accumulation of individual wealth. But how that wealth is spent matters too
Cybersecurity drive to target schoolchildren and ‘risky men’
Online safety drive aims to educate children and adults – especially men – who take reckless attitude to online security
Digital entertainment downloads top £1bn for first time in 2012
Music, TV, film and game downloads fail to boost high street as physical sales fall 17.6%. By Mark Sweney
Jean Michel Jarre considers tax ‘defection’ to UK
French music star in talks with Downing Street over move to Tech City hub as France's highest earners rail against tax rises
UK leads world in mobile web use thanks to Facebook … and Gangnam
Britain's 18- to 24-year-olds top mobile social networkers, while consumers spend £1,083 a year shopping online
It’s Google vs Apple as Christmas shoppers snap up one tablet computer every second
New and cheaper rivals to Apple's iPad and models aimed at children help to set the tills jingling
Virgin Media makes bad call over free package deal
Virgin forced me to pay £124, ignored my calls and letters, and spoilt my credit rating
Wii U price: where to find the cheapest deals
Keith Stuart: We asked budget gaming specialist Lewie Procter to hunt down the best Wii U prices in the UK. Here's what he found
How do I become … an animal trainer
Patience and ingenuity are required for Julie Tottman to teach dogs – and owls, goats, cats and pigs – new tricks
Broadband provider Primus says I ‘slipped the net’
After changing address, I was charged a termination fee even though the company initially said it couldn't provide a service