This blog post walks us through 4 ways to measure digital marketing resulting in brick-and-mortar success. Here is one email component:
POS & Survey Integration
We can also take a similar approach without capturing an
email address at POS. By providing a link to a customer experience survey at
the bottom of their receipts, retailers can connect the online ad dollars with
the store sales dollars for those customers who go to the survey and submit
their opinions.