Not yet thirty, Zuckerberg’s face is known around the globe as the co-creator and CEO of Facebook.
2
Reid Hoffman
He began climbing the ladders at Apple and PayPal and co-founded an online dating service, SocialNet. But it was his vision for an online professional networking site that took him into the Silicon Valley stratosphere when he co-founded LinkedIn.
3
The Dalai Lama
His Holiness, the Dalai Lama, embraces social media as a means to spread his message of love and compassion around the world. Nearly 7 million people follow him on Google+, Facebook and Twitter.