2 - Personalized User Experience
It might interest you to know that shoppers are seeking a more personalized user experience. People want to be treated as special, not just a piece of statistics.
When I get an email that is addressed to me in my name, it kind of feels special. But when I receive an email addressed as "Dear Sir/Madam", I immediately skip it.
Brands that personalize the user experience of their customers enjoy better reception than those who don't.
You should maintain records with the names of your customers, which should be referenced for communication.
Have customer lists for those who have made purchases in the past. Have different segments of your customers, and tailor communication based on the segment they belong to.
Address them with their names whenever you send emails to them. Use the information gathered from the cookies to obtain and preserve details about them.
Make your customers feel special and you are sure to increase your conversion rate.