Twitter published a report this week of the top trends of 2010 from the 25 billion tweets sent over its network this past year. In their Year in Review, they show lists of trending topics organized by subject, everything from news, to people, technology, sport and television. A lot of news events figure predominantly, such as the Haiti earthquake and gulf oil spill, as well as many topics of popular culture like Harry Potter, Glee, and the FIFA World Cup. It reflects well what the world has been buzzing about over the year, or at least that portion of the world that's on Twitter.