If you don't like to have fun or learn new things, then stay away from Greenville. Tickets to UNSPAM (Jan 27-28) just went on sale.
Recommendation emails pull in content, products, or services that pair well with a previous action taken by the reader. Typically, these recommendations are built off of browser behavior, profile data, or purchase history and sent one to three days after. The more personalized the recommendation, the better the email.