Over 1.2 Billion mobile users.
Mobile will overtake fixed Internet
access by 2014.
It’s actually easier to do!
•Prepares you for the explosive growth and new opportunities emerging on
•Forces you to focus and prioritize your products by embracing the constraints
inherent in mobile design, and
•Allows you to deliver innovative experiences by building on new capabilities
native to mobile devices and modes of use.
Progressive Enhancement Vs Graceful Degradation
Responsive Vs Adaptive
Mobile First Vs Desktop First
“With Bootstrap 2, we added optional mobile
friendly styles for key aspects of the framework.
With Bootstrap 3, we've rewritten the project to be
mobile friendly from the start. Instead of adding on
optional mobile styles, they're baked right into the
core. In fact, Bootstrap is mobile first. Mobile first
styles can be found throughout the entire library
instead of in separate files.”
col-xs- Really small devices
col-sm- Small devices
col-md- Medium devices
col-lg- Large devices