The top search terms lists are coming out. Among them, Yahoo! released it's top mobile search queries of 2009:

1. Megan Fox
2. Mobile Games
3. Michael Jackson
4. Movies
5. Rihanna
6. Mail
7. Lady Gaga
8. NFL
9. Ringtones
10. iPhone

Here's how the list compared to the top overall search queries of 2009 on Yahoo!:

1. Michael Jackson
2. Twilight
3. WWE
4. Megan Fox
5. Britney Spears
6. Naruto
7. American Idol
8. Kim Kardashian
9. NASCAR
10. Runescape

Interestingly the only common query is American actress "Megan Fox." Otherwise, mobile gaming, movies and email were among the most prevalent queries Yahoo! saw from mobile devices. What's strange is that people were also search for the iPhone on their handsets -- unless they were looking to replace their existing phones with one. 

___

Related: Here's Google's list, which doesn't break out mobile separately.