1. A method comprising: a client computer accessing data from a web server; the web server transmitting behavioral data for the client computer to a recommendation platform based upon the data accessed by the client computer; the web server transmitting an electronic mail (e-mail) message to the client computer, wherein the e-mail includes an image tag and an identifier; the client computer requesting image content from the recommendation platform based on the client computer selecting the image tag and transmitting the identifier to the recommendation platform; the recommendation platform generating at least one recommendation for the client based on the behavioral data; and the recommendation platform transmitting the at least one recommendation to the client computer.