How does your company become a data-driven organization? Mainly, it means making decisions based not on opinion, but on what the data is telling you. And that usually requires a shift in company culture. In this O'Reilly video collection, four data experts demonstrate different ways that companies have experimented with change, often with surprising results. Each video segment in this collection comes from Data-Driven Business Day, a unique feature of the Strata 2014 conference.