Does salt make watermelon sweeter?

This question has come up about the combination Watermelon and salt began on our face book page when a fan shared a picture of a soda sold in Japan with a salty watermelon flavor.  Simultaneously there has been ongoing discussion about this combination in the linkedIn  Food Blogger group.  We found an article which asks the question” Does salt make watermelon sweeter?”  Then it answers it: http://bakingbites.com/2011/08/does-salt-make-watermelon-sweeter/