You can easily create a mobile optimized store for smartphone shoppers. This is a fantastic opportunity. Half the adults in the U.S. have a smartphone and shopping from these devices soared in 2012 and is expected to continue to rise. More than 50% of your visitors will be using a mobile phone. According to a survey conducted by Nielsen in Q1 2012, the vast majority (79%) of US smartphone and tablet owners have used their mobile devices for shopping-related activities. Also, Google has recently announced that web sites that aren’t mobile-friendly will be demoted or deleted from mobile search results in the future.