And that makes a lot of sense. A huge part of Amazon’s business is recommendations. Currently, they look at what you’ve been browsing for on Amazon and especially what you’ve bought. This Like button will give them one more explicit signal, something in-between browsing and buying.
It would seem that most people aren’t seeing this button yet (I’m not, for example), but plenty of people are, and it seems as if they’re mainly being tested on Amazon Books pages right now. You’ll also note in the screenshots below that Amazon has cleaned up the design of their header a bit.
[images: twitpic/aruvam]
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Authors: MG Siegler