79 percent of respondents used their smartphones for shopping, and three out of four smartphone users made purchases either in store or online using their phones. Seven out of 10 smartphone users turn to their phones while shopping in a store, showing the phone is often in use from the time research begins until the moment a purchase is made.

The survey also found smartphone users spent a median of $300 on purchases in the past year through their smartphone

Some great data on how shoppers rely on their smartphones to help support their purchases. One of the most interesting pieces of data was that 93% of people use their smartphones at home (even 39% in the bathroom).

Brian O'Connor is always saying that people have an intimate relationship with their smartphones and this backs that up. One of the many reasons that companies can truly benefit by not just optimizing their web sites for mobile, but creating apps that tie into their backend systems and provide truly useful and relevant experiences for their customers.