The document discusses the growth of Twitter from 2009 to present day. It notes key statistics such as 1 in 20 Americans using Twitter in 2009 and over 2 billion tweets sent per day by June 2009. Several high profile Twitter accounts from 2009 are mentioned like @barackobama and @oprah. The document discusses how Twitter was used to spread information about political protests in Iran in 2009. It also references hashtags, retweets, and trends on Twitter during events like Michael Jackson's death. The presentation aims to provide an introduction to professional use of Twitter.
24. 2009, 6
Iran: my best friend in the country, a
doctor, can be seeing here trying to
ressucitate Neda: h9p://bit.ly/PmTfa .
Tears in my eyes
7:31 AM Jun 22nd from web
@paulocoelo