Personalization feels like the SEO of 2013. In general, personalization is very hard in terms of "what customer wants" -- look at Amazon's "products for you." I

Personalization feels like the SEO of 2013. In general, personalization is very hard in terms of "what customer wants" -- look at Amazon's "products for you." In the case of Facebook, this feels like an association algorithm based on affinity rather than personalization the way Target was doing it. Here's a link to the Target story: http://www.forbes.com/sites/kashmirhill/2012/02/16/how-target-figured-out-a-teen-girl-was-pregnant-before-her-father-did/ http://www.forbes.com/sites/kashmirhill/2012/02/16/how-targe...