10 Most Powerful Individual Tweets of 2010

As reported by FastCompany.com, the Twitter team released what they believe to be the most powerful Tweets of 2010. The team looked at its archive for 2010 (a field of about 25 billion) and identified the most important for the year. Twitter explains: "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." The tweets cover many different uses and sources from news to entertainment. 

Here is the list:

1. Ann Curry tweets to convince the USAF to allow a Medecins Sans Frontiers flight to land in Haiti "@usairforce find a way to let Doctors without Borders planes land in Haiti: http://bit.ly/8hYZOK THE most effective at this."
2. The White House tweets to welcome president Medvedev to Twitter. No "red phone" required. "Welcome to @twitter President Medvedev! RT @KremlinRussia_E: Hello everyone! I'm on Twitter, and this is my first tweet." 
3. Cyclist Leigh Fazzina badly hurt herself in a bike crash, pleaded for assistance with a tweet, " "I've had a serious injury and NEED Help! Can somone please call Winding Trails in Farmington, CT tell them I'm stuck bike crash in woods."
4. On a fake PR account for BP, a jokester responds to early news about the gulf spill: "Catastrophe is a strong word, let's all agree to call it a whoopsie daisy."
5. Ecuador's President, facing a coup attempt, tweeted out a state of emergency on September 30th "Gobierno declara estado de Excepción #Ecuador #30S"
6. Clarence House, the office of the Prince of Wales, announced a new Royal Wedding "The Prince of Wales is delighted to announce the engagement of Prince William to Miss Catherine Middleton - www.princeofwales.gov.uk"
7. Sun's CEO resigned in a tweet "Today's my last day at Sun. I'll miss it. Seems only fitting to end on a #haiku. Financial crisis/Stalled too many customers/CEO no more"
8. Idaho's John Foster conceded election defeat in a tweet "Congratulations to Raul Labrador on a hard-earned win, and best of luck as Idaho's next Congressman."
9. Spain's defender Carles Puyol tweeted a twitpic of his view of World Cup win celebrations "Gran ambiente en la rua!!orgulloso de ver a tanta gente feliz. http://twitpic.com/24qkg5"
10. Conan O'Brien used twitter to announce his tour, selling it out in hours "Hey Internet: I'm headed to your town on a half-assed comedy & music tour. Go to http://TeamCoco.com for tix. I repeat: It's half-assed."

What do you think of the list? Are there tweets that missed the list?