Retailers are sitting on a goldmine of data—loyalty programs, point-of-sale activity, mobile app engagement, site behavior, and more. But a huge portion of that activity still happens in the dark: cash purchases, guest checkouts, and anonymous browsing that never tie back to a known person. Alongside dealing with a high volume of unresolved transactions due to incomplete customer journeys and measurement blind spots, retailers also have to tackle the challenge of fragmented data across channels.