In the monsoon semester 2012, I took a course on Privacy and Security in Online Social Media. We had to do a project on a popular online social media. Pinterest, caught my eye. It was new, it was among the TIME Magazine’s top 50 websites of 2011 and then had close to 20 million users. Its growth was amazing; in a matter of 2 years it was well integrated with popular e-commerce sites like e-bay, etsy, Amazon etc. The big white-on-red “P” next to the blue bird and white-on-blue “f” motivated me to work on Pinterest. Share Buttons on Amazon. Without digging much into the OSN and the fact that…