Diet Soda sales falling

nbc news this Aug/2013

http://www.nbcnews.com/health/amid-falling-sales-coke-launches-campaign-defend-sweetener-6C10920355

to countert the falling sales Coke is launching a ad campaign. to defend its artificial sweetner.
Personally I don't think it will do much good , In my opinion I believe the tide has turned against diet sodas.

In the Meanwhile if I was looking to drink Vitamin Water the Center for Science in the Public Interest is challenging the wording of the health benefits of the product.
http://www.cspinet.org/new/201307182.html