Cast your votes for the leaders, artists, innovators and icons who you think are the most influential people in the world. Though official voting for inclusion on the TIME 100 list has now closed, with Mir-Hossein Mousavi having won the honor, users can continue to vote for their favorites until the list is revealed on Thursday, April 29th
Age: 32
Occupation: Actor, social media entrepreneur
Previous TIME 100 Appearances: 0
Who'd have thought that the amiable actor and mischief-maker behind Punk'd would turn into a social media pioneer? Kutcher, who did as much as anyone to popularize Twitter, now has his eye on becoming a next-generation social media mogul. Don't count him out.
