6 tech brands that could challenge Apple

Introduction Does Apple innovate anymore? With each reveal of a new iPhone there's always one big question from the tech world: is that it? There's a feeling that Apple has reached its zenith when it comes to phones. It might be the most valuable company in the world, but the speed of change in tech is unfathomably fast, and share prices can shrink.The tech world is littered with super-hot brands that gradually faded away and in the world of phones, there's no bigger example than Nokia. Once the