VEGEMITE launches its biggest marketing campaign in a decade – How Do You Like Your Vegemite? AND, celebrates the manufacture of its One Billionth Jar. VEGEMITE’s one billionth jar was celebrated through a nationwide consumer promotion searching for a special jar through a winning promotional sticker hiding under the cap of one jar of VEGEMITE. This campaign gained unprecedented attention as fans around the country searched for the special Billionth Jar of VEGEMITE in the “Billionth Jar” promotion.