Mobile commerce now accounts for 34% of all e-Commerce transactions globally, and is growing more than 200% faster than traditional e-Commerce. But measuring success in mobile presents unique challenges for retailers, whether they’re mobile-first or brick-and-mortar stores gone mobile. Even if marketers could track everything, it’s challenging to understand which measurements are actually meaningful to a company’s bottom line. In this tip sheet, we break down which mobile marketing KPIs retailers should focus on to get the most bang for their buck.