As part of its Uncarrier repositioning, T-Mobile is launching into the banking business with a pre-paid debit card and banking app. But if people aren't willing to trust banks with their cash, why should they trust a telecoms provider?

American Express is synonymous with privilege and luxury – so its latest venture may seem surprising. Its Bluebird Bank helps Americans let down by traditional banking, who may not even have a bank account. What's driving the makers of the Black Card to bank the unbanked?

As people grow accustomed to new levels of convenience, there’s an increasing demand for brands to stamp out the little irritations. Author and thinker Adam Morgan explains how the modern challenger brand finds its footing.

One third of shoppers say jeans are the hardest garment to buy because it's very difficult to find the perfect fit. Offering 400 sizes, start-up Qcut promises a product that will fit 99% of women, disrupting the apparel industry and destroying one-dimensional body image ideals.