Barack Obama’s campaign made political history when it used text-messaging to announce Joe Biden’s V.P. selection to 2.9 million mobile users.  Obama’s campaign also maintains a mobile website with news, video, and downloads.
In contrast, John McCain’s campaign has largely eschewed mobile marketing.  But that may just be the right strategy, according to Nielsen Mobile, which reported Monday that mobile advertising is a more efficient way to reach Democrats, rather than Republicans.
As of the second quarter of 2008, mobile media of all types were slightly more popular among Democrats, who were …

According to Forbes, men and women use their mobile phones very differently.
Forbes’ story cited data from Nielsen Mobile showing that men are more likely to surf the mobile Web and watch mobile TV, while women take more photos, send more text and multimedia messages, and download more ringtones than men. 
The story also noted that women, who see their phones as extension of their personalities, are more likely to personalize their phones, while men treat their phones as a tool for keeping up with news and work email.
Learn more about mobile usage …