I just saw that twitter can also preview the products as it is on below Tweet: http://twitter.com/#!/gillcleeren/status/131640082397528065 In this case, it is an Amazon product. I was wondering ...
I remember stumbling across a free service that you could integrate with your website that would give visitors access to a download (PDF/ebook/white paper etc) if you Tweeted/ Facebook Liked etc. but ...
Possible Duplicate: Twitter Product Preview on Tweets So I just saw the tweet below and was wondering, how does amazon get the extra information into the tweet?