According to stats, smartphone users are well over 2 billion and growing. And as smartphone adoption grows, so do the apps that make them a delight to use. Whether you want to pay your grocer or send a document to a friend, you can bet there exists an app that has evolved far enough to support these functionalities.

Responsive Web Design:
Responsive Web Design responds to the user's viewport, device, or platform. It's a design that can attractively acclimate to any screen resolution. The diversity in devices used to browse websites is only growing larger, and it has become an expectation that users take for granted when exploring their preferred destinations on the web. Your design must respond to the user's viewport if you want to deliver even a baseline acceptable experience.