Fairphone started as a campaign with the objective of creating the world's first completely 'ethical' smartphone. Using sustainable conflict-free resources, and offering transparent pricing and deals, Fairphone must sell 5000 phones to go into production.

Electrical goods are the fastest increasing waste stream in the UK, growing by 5% annually. Registered charity The Restart Project challenges our disposable conditioning, and as repair culture spreads, how realistic is it to invest in a mend rather than replace attitude?

According to 'disruptive' new internet service provider FreedomPop, 'the internet is a right, not a privilege'. Starting with low-income Americans, can the company's 'freemium' super-fast broadband model challenge the internet's biggest players?

In his 2015 book Gamechangers, innovation expert Peter Fisk provides 100 case studies of businesses that have won the game, changed the game or even invented their own games via new strategies and innovations – from global giants to small start-ups. So what makes a game changer?