To find out how their passengers feel in-flight, British Airways is experimenting with an unsual idea, a "Happiness Blanket". In the same way a mood ring can indicate your mood, the blanket monitors brain waves using a headband and changes colours to reveal a passenger's mood.

As having a strong work ethic is increasingly valued and respected, being hard-working no longer means you’re a geek. On the contrary, it's becoming a preferable lifestyle choice.

Facebook already knows if someone is single or dating, where they went to school, and whether they like Rihanna or Beyoncé. But now the social network has revealed that it can make people feel happy or sad depending on the pictures, videos and comments it shows them.

The travel industry thrives on the pursuit of happiness, but just how far will people go to ensure they are healthy as well? All the way to Australia, as it turns out. The healthy holiday industry is now worth $438.6 billion a year, and Australia is enticing travellers with its ‘wild bush luxury’, ‘indigenous ingredients’ and health-focussed hotels.