Facebook formally announced its partnerships with Acxiom, Epsilon and Datalogix for an ad-targeting system based on in-store purchasing. The companies will match loyalty-program members and Facebook users through e-mail addresses and phone numbers. "A match between two corresponding data points needs to be detected to enable delivery of an ad," writes Cotton Delo. Separately, Facebook is partnering with BlueKai to enable brands to improve targeting on the network using older cookie clusters, Delo writes.

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