Cookies produce data on anonymous users. That simple statement is important; students tend to
believe that cookies may identify users. The fact is that they can, but only if the cookie is linked
to other data, which can happen without the knowledge of the visitor. Cookies, by themselves,
however, only identify the computer as the source of the visit. The duration varies by whether
they are session cookies, not stored for future use, or enduring, usually for a period of 12 months.
Most users seem to be more comfortable with site cookies than with third-party cookies, which
are set by services like ad serving. They are necessary for behavioral tracking and behaviorally-
targeted advertising, but they arouse suspicion.
All this feeds into a description of how individual websites can personalize pages for users and
how email can be personalized and used to update databases so critical to CRM (Figure 11.7).
The Cisco example should spark some conversation about personalization. Again you can
Customer Loyalty Programs at Tesco Slide 24
You can see a lot of what is described in the text by going live to the website. It’s not visually
stunning, but it is effective. The text has information on Tesco and additional articles that come
up in a search give more. There is even a book, Scoring Points: How Tesco is Winning
Customer Loyalty, by Clive Humby and Terry Hunt with Tim Phillips, published in the U.S. by
Kogan Page Ltd., Sterling, VA.
Tesco’s program demonstrates many of Arthur Hughes’s criteria for good loyalty programs:
• Be easy to use
The exception appears to be an exit strategy; Tesco seems to keep expanding its program, and as
long as their profitability appears to grow as a direct result, they will probably continue to do so.