Intelligent 'predictive' assistant Google Now is set to irreversibly change the way we interact with the web. Yet, riddled with privacy and ethical concerns, the reality is not so simple.

Push for a pizza, swipe for a cleaner and tap for a taxi. The rise of apps like Uber is facilitating the culture of ‘I want it, and I want it now’. For digital-savvy city-dwellers from London to Beijing, everything you need – from your dinner to a ride home – is just an app away.

HealthTap is a website and smartphone app that allows users to quiz doctors about health concerns and get prompt answers to their queries. It is part of a growing trend of using technology to empower people to better manage their own health.

OMsignal has announced a line of fitnesswear that incorporates biometric technology. The shirts are designed to be worn all day and keep track of the wearer's performance and vital stats throughout. The shirt can track heart rate, breathing rate and calories burned.