Consider this: for every person who has purchased wine from you, you *know* what they bought:
This is the tremedous power of data. And you're the only one who has it.
Remember that '97 Acme Winery Reserve Cabernet Sauvignon you bought three years ago? Now might be a good time to drink it. Just sayin'.
The Acme Winery Team
PS - the 2009 vintage is now available, and because you bought the '97, we have a little surprise for you...