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The earlier chapters in this book have focused on using information cards in your applications. They’ve shown how you can build websites, services, and clients that can accept cards, and in the previous chapter, you built a security token service that can generate tokens for card-carrying individuals. One topic noticeably absent, however, is any in-depth discussion about the cards themselves.

In the previous chapter, you learned the details of what was required to create an information card. You also created a helper class that facilitated several key functions, including saving and loading a card template and creating and signing an information card.

Although the core focus of this book is on using information cards in conjunction with Microsoft technologies, this is not your only choice. Information cards have no affinity to platform or vendor, so in this chapter you’ll explore the resources that are available for other development platforms. This chapter will begin with a look at how to use two of the available relying party code libraries, one Java-based and one PHP-based. This will be followed by a review of other relying parties that are available and how to find them.

In this chapter, I’ll cover the topic of personalization. I’ll begin with an introduction, examine personalization and the “long tail,” and review some sites that do personalization well today. I’ll also discuss how the claims on an information card could allow you to do personalization beginning with a consumer’s first visit and continuing throughout the life cycle.

In the previous chapter, I talked about the benefits that personalization can bring to your websites and applications. I pointed out some of the companies that do personalization very well, such as Amazon and Netflix, and I pointed out a few that had room for improvement.