Nielsen has issued a year-end look at the most popular trends among Americans during 2008, covering everything from the top TV programs to the most popular consumer packaged goods.
Motorola’s RAZR V3 series handset was easily the most popular mobile phone in use in the U.S., as of Q3 2008.
In October, more than 15.2 million American mobile Internet users visited Yahoo! Mail, making it the most popular mobile Web destination that month.  Google Search, which drew more than 10.5 million mobile Internet users in October, ranked second. 
Among master ringtones — 20-30 second excerpts of recorded …