Mobile devices and big data will fundamentally change marketing. [1] Smartphones are now owned by 44% of the US population, and 36% of smartphone owners have owned their device for less than a year. [2] Mobile is integrated into every aspect of life, including home, work, and leisure activities. [3] Marketers have access to vast amounts of consumer data from mobile devices, including location information, search terms, and social media interactions, allowing them to target ads based on proximity and relevance.