Rafe Needleman writes:
A strange and scary incident while I was researching a story this week has led me to reconsider my recommendation of the Invisible Hand browser extension. This issue also serves to remind us that there are online privacy issues we all face from sites other than Facebook.
As the video in this post shows, when I was looking up information on a product on Google, I found shortly afterward that Amazon knew about my Google search and put the product I was looking at in my “Recently Viewed” slot when I loaded up the retail site.
Read more on cnet.