Boulogne-Billancourt, France, 2015-3-25 — /EPR Retail News/ — On 18 March 2015, Carrefour and TrialPanel staged the second "Preferred by Consumers" Awards. These are prizes that are awarded to products that are given the highest ratings by the consumer community active in the MonAvisLeRendGratuit.com forum that was launched by Carrefour in 2013. A product in stores for…