iPhone's importance highlighted in special Apple website

Apple's iPhone has been with us for seven years now and while it is very much an iconic and familiar device a lot of features and functionality continue to be added. Arguably Apple's most important product category (and its most profitable), the iPhone has managed to successfully lead the industry in various areas around the world, and not only has it survived waves upon waves of competing products, it's managed to evolve various ecosytems from apps to health, wearables, car infotainment and mobile payments.
To accompany Apple's recent series of advertisements focusing on the many features that the iPhone, Apple has developed the "Why there's iPhone," website. While sounding a bit cryptic, the website is actually a very clear rundown of the various features of the iPhone which make it such a successful and beloved device. The iPhone's raison d'être is simple and consistent.