I work for Amazon.com.
The reason for this is that ASINs (the 'B...' number referred to by the OP) are not technically global - they are tied to a given marketplace (.com, .ca, .co.uk etc). Products can vary from region to region, and may not even be sold in a particular marketplace.
In this case I suspect that the aforementioned Keysonic keyboard is not ...
This is a side effect of this:
For all posts made on or after August 17 2010, any image urls in
the form of i.imgur.com were changed to i.stack.imgur.com
This means, if …
your post was made on or after August 17 2010
you MANUALLY uploaded something to imgur, that is, outside of
clicking the 'add image' button in ...
This problem appears to be specific to products and not books. Consider:
but for a product, even an international one...
That site apparently uses the HTTP referer header which is part of an HTTP request initiated by clicking a link to redirect your request.
Not so in Safari 5, which seriously broke tabbed browsing, it's not even funny; therefore I couldn't reproduce the issue at first.
Using curl and manually setting the HTTP referer header:
$ curl --include http://www....