Ever hugged your toaster? You might be about to start if student Ted Wiles has his way. He's designed a range of products with the sole purpose of increasing happiness – from an alarm clock that can only be stopped with a victory pose to a phone that puts the user on hold until they smile.

You can’t move for being told how to be happy. It’s a choice, claims Coca-Cola in its Choose Happiness campaign. It’s the truth, croons Pharrell in Happy. We can redesign our lives to achieve it, says Paul Dolan inHappiness by Design.But what does ‘being happy’ mean, and how do we achieve it?

From standard Coke to Cherry Coke, Vanilla Coke to Diet Coke, Coca-Cola has always ensured there's a flavour for every palate. Having recently added stevia-sweetened Coca-Cola Life to the family, how will the company's ‘one brand’ strategy help consumers identify the best variant for themselves?

Why is personal care changing its tone? How is selfie culture influencing which beauty products women use? Why are people ditching the diet? And how are we detoxing our homes and bodies?