# Prof. Sam Hui on the value of data visualization for retailers

1 Faculty News May 9, 2014 ![Harvard Business Review logo](/sites/default/files/styles/246w/public/assets/images/con_032358.jpg?itok=cHztGP4H)>

Excerpt from [Harvard Business Review](http://blogs.hbr.org/2014/05/how-data-visualization-answered-one-of-retails-most-vexing-questions/?utm_source=Socialflow&utm_medium=Tweet&utm_campaign=Socialflow) -- “'Retailers are all using scanner data to track what happened at the point of sale,' says [Sam Hui](http://www.stern.nyu.edu/faculty/bio/sam-hui), an associate professor of marketing at NYU’s Stern School of Business. 'But they have no idea what’s really happening at a point-of-purchase decision.'”

[Read more](http://blogs.hbr.org/2014/05/how-data-visualization-answered-one-of-retails-most-vexing-questions/?utm_source=Socialflow&utm_medium=Tweet&utm_campaign=Socialflow)