Twitter Blog: Ten Most Powerful Tweets

Twitter Blog: #Hindsight2010: Ten Most Powerful Tweets: "What makes a Tweet powerful?

Every day, we are inspired by people using Twitter in unexpected ways to make the world a better place. Powerful Tweets have impact, relevance and resonance. In just 140 characters, you can change the game, make a difference in someone’s life, offer perspective, or bring aid to people in need. In this installment of #Hindsight2010, we honor the Ten Most Powerful Tweets of 2010."