Mobile and tablet usage has grown significantly in recent years, with tablet usage up 4.5% and mobile up 3.7% in 2012, while PC sales declined. Tablet and mobile use is estimated to continue growing substantially in 2014, increasing 42% and 5.5% respectively. This shift has major implications for web design, as mobile screens are smaller than PCs, requiring less content per page. The presentation recommends a mobile-first approach to web design and leveraging HTML5 to provide enriched content across platforms. Examples of both good and bad mobile design were shown, and it was concluded that websites need to be optimized for all devices to meet changing user behaviors.