We've already written (twice) about the Obama campaign's innovative use of text messaging, but this Wired piece explores the issue in greater depth:

The use of technology like blogs, mass texting and online phone banks has been key to Sen. Barack Obama's surprise sweep of recent primaries.

The Illinois senator's campaign has been making use of a range of technologies -- from ringtones to SMS -- to inspire Obamamania. And it's working. Obama's recent parade of victories in the primaries has given him a slight lead over Sen. Hillary Clinton for the Democratic presidential nomination.

"They've been using [texting] to get out the vote, which is incredibly smart because it gives people a way to take immediate political action," says Julie Germany, director of the Institute for Politics, Democracy and the Internet. "It's just what mobile technology is suited for."

There also having a bit of fun with their phones:

The campaign is even offering a ringtone mashup of Obama's speeches -- a 21st-century version of the campaign bumper sticker that is sure to be a conversation starter.

What could broadcast your hip, geeky, socially conscious status better than a phone with Barack Obama's voice ringing out to a club beat with: "We can have universal health care in this country! We can do that!"

Read the entire piece @ Wired News.