Diageo SA, the leading spirits company together with its number one vodka, Smirnoff 1818, has partnered with the SABC's number one soapie, Uzalo, to promote responsible drinking through its DrinkiQ campaign.  The DrinkIQ initiative uses both the massive following of Uzalo (about 8million viewers) and entrenched brand appeal of Smirnoff to encourage consumers to know more…