Twitter grew significantly in 2009 due to becoming a people search engine. Some of the top Twitter stories that year included Janis Krums tweeting a photo of a plane landing in the Hudson River, the first tweet from space by astronaut Mike Massimino, and Twitter being used to organize protests during Iran's disputed election results. Ashton Kutcher also became the first person to reach 1 million Twitter followers, narrowly beating CNN.

1. Top Twitter Moments of 2009 www.tvider.com

3. Here are some of the top twitter stories of 2009 www.tvider.com

4. Hudson plane crash Sarasota resident Janis Krums snapped and tweeted a photo of the miracle landing of a plane into the Hudson River: "There's a plane in the Hudson. I'm on the ferry going to pick up the people. Crazy." www.tvider.com

5. Tweets From Space Twitter made history when the Astronaut Mike Massimino sent the first Twitter message from space. www.tvider.com “ Launch was awesome!!” was the first message sent on Tuesday May 11, 2009 and promptly followed “I am feeling great, working hard, & enjoying the magnificent views, the adventure of a lifetime has begun!”…

6. Iran Protests: Twitter, the Medium of the Movement IRAN'S controversial presidential election was the top Twitter topic in 2009. www.tvider.com

7. The Iran election protests organized on Twitter showed people the power of citizen reporting. Twitter was the communication medium of choice during the protests of the clearly rigged, Iran Election Twitter became such a valuable resource to this election, that the U.S. State Department requested they hold off a scheduled network upgrade to protect the interest of the Iranians in protest. www.tvider.com

8. Ashton Kutcher Vs CNN For Twitter Supremacy After a highly publicized race with CNN, Actor Ashton Kutcher became the first Tweeter to collect 1 million followers. Kutcher crossed the 1 million mark on April 17 narrowly beating CNN's breaking-news feed, which had 998,239 followers at the time. www.tvider.com

9. The movie “Paranormal Activity” The movie "Paranormal Activity" became the first film to get a national release after people demanded the movie through Twitter and Facebook. www.tvider.com The horror movie, produced for $15,000, grossed more than $62 million as of October. "Paranormal Activity" has lingered on and off for days among Twitter's most-popular "trending topics,"

10. Remembering Michael Jackson on Twitter As the news of Michael Jackson's death spread around the world on June 25, the social-networking site Twitter came to a virtual standstill, flooded with visitors tweeting the news. www.tvider.com

11. Twitter- The top word of 2009 "Twitter" has been named the top word in the English language for 2009. www.tvider.com Twitter became a great way to run charity events, break news, promote your work and connect with your fans as its tiny chunks of information travel faster than professionally written news stories.

12. www.tvider.com Feel free to share more twitter moments.