Google, Amazon, Microsoft and Facebook are a few of the most recognisable names on the planet. And whilst it’s hard to argue that their products are anything less than innovative, it’s easy to take their success for granted.
There’s no shortage of challengers, who step up to the task of knocking them off the top – equipped with colossal budgets and increasingly innovative products.
So, how have they managed to maintain this coveted status for so long?