The ballots have not yet been cast in campaign 2015, but some winners have already been declared. In the category of most mentions on Twitter, @justintrudeau easily outpaced rivals @thomasmulcair and @pmharper. The liberal leader gobbled up 36% of all Twitter mentions, compared to 28% for the NDP leader and 25% for the Conservative. 

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Trudeau also triumphed on Facebook, grabbing four times more likes than Mulcair.