As the battle for the smartphone and tablet market rages on, video advertising is one of the most effective ways to grab consumers’ attention. Samsung, Google, and Microsoft each saw massive growth in 2012 both on a brand and campaign basis. Samsung tops the list of most popular tech ads of 2012 prepared by video tracker Visible Measures, with Galaxy S III, which has got 71 million views, 17 million views more than the runner up. (Click on graphic)