The Fastest Growing Facebook Pages: Vitaminwater, Cadbury Wispa, and a Venezuelan Politician

Last week, beverage maker Vitaminwater launched a new campaign on its Facebook page: An in-house application that includes games and a contest where users can help choose a new flavor of its vitamin sugar water. The result, so far? The page was the fastest-growing among any major brand over the week, according to our PageData analytics service. It gained 323,000 fans to reach 767,000 people today.