If the 2008 presidential candidates really want to reach voters, they'll focus their attention online.

Sure, TV, radio and newspapers are still important. But a recent survey for Performics by Opinion Research Corp. showed that 42% of Americans expect to do more online research on the upcoming race for the White House than they did in 2004.

Not surprisingly, the poll found that reliance on the Internet for political information is strongly related to age. Eighty-eight percent of the study's 18- to 34-year-old participants use the Web to help decide their vote, compared with just 25% of those 65 and older.

Web users typically visit television or newsmagazine Web sites (60%), search engines (42%), newspaper sites (36%) and other news sites (45%).