Why The Most Interesting Man in the World Moves More Units Than Old Spice Guy

The experienced actor behind Dos Equis' viral ad campaign on popularity, influence, and saving endangered Siberian tigers.

Consider for a moment the manly purr of Old Spice spokesman Isaiah Mustafa's "Hello, Ladies" salutation. It's seduced the country social media-style: 94 million views on YouTube, 630,0000 Facebook fans, and an estimated 1 billion aggregate impressions in just one week. But wait. It appears consumers may have been too distracted by his glorious swan dives and monocle...