With numerous smartwatches and fitness trackers being launched, the wearable tech industry is predicted to be worth $8.36 billion by 2018. But do people actually want to wear them? Tupelo's Mymo activity tracker could encourage uptake by awarding wearers tangible rewards.

Boutique fitness studio Orangetheory aims to help gym-goers lose weight, get toned, and reach their fitness goals in the least amount of time through the use of heart rate data. Why is high intensity interval training so hot right now? And can competition make working out more enjoyable?

The streets are flooded with people wearing trainers and yoga pants, but how many of them actually work out? Reebok is picking the protein lovers from the pretenders by positioning itself as a brand that caters to hardcore health enthusiasts. But will fitness freaks be on board?

People prefer wearable devices that are unobtrusive, fit into daily life and existing habits, and look stylish. But even if all these boxes are ticked, do they really want to wear technology on their wrists, faces and around their necks?