Smartphones are advanced mobile phones that have personal computer-like functionality for web browsing, email, music, photos, videos, and more. They typically have features like 3G connectivity, WiFi, GPS, 5 megapixel cameras, media storage, and memory. Smartphones can add value to business by allowing mobile access to calendars, contacts and networks from anywhere via secure access. They also enable constant social networking and access to entertainment apps and media. Additionally, smartphones provide high-speed internet connectivity for users on the go and help connect people in developing nations.