Geek Speak: How Did Phones End Up With Multiple Cameras?

In the first episode of Geek Speak, we explore why mobile phones need multiple cameras. How many is too many?

The next time you pull out your mobile phone for a selfie, take a moment to think about the poor point and shoot cameras that have almost become redundant now. Camera phones have all but replaced them. What were once grainy, tiny images from mobile phones a decade ago, are today high resolution images that can rival the best of cameras. But can mobile phones completely replace cameras? And why do they need multiple cameras on phones? Listen to the resident geeks at The Quint thrash it out.