Mobile marketing is the new era as smartphones and tablets grow rapidly. Smartphone shipments increased 61% in 2011 to nearly 500 million units globally. India's smartphone market is led by Nokia, though its market share dropped 50% in 2011. Most mobile users access the internet via their smartphones and tablets for searching, social networking, videos, and shopping. Websites must optimize for mobile with simple layouts, prioritized content, and actions oriented design to drive conversions from mobile users who have high expectations of quick loading and easy to use mobile sites.