Why smart marketers integrate data mining By EmailGarage on 28 August 2014 in Email Marketing, Opt-in, Tips A growing database is a key factor in getting more ROI from your email marketing. It lets you build reach and it increases the return on A/B tests or multivariate tests. But often marketers struggle to build a database, even though they have the basics installed, like a newsletter sign-up. But do you want to really excel in the growth of your email database? Then it’s best to integrate data mining into your strategy, and even make it a core component in your digital marketing strategy.