Man Using Paper Clip to Barter for House

Kyle MacDonald had a red paper clip and a dream: Could he use the community power of the Internet to barter that paper clip for something better, and trade that thing for something else — and so on and so on until he had a house?

After a cross-continental trading trek involving a fish-shaped pen, a town named Yahk and the Web's astonishing ability to bestow celebrity, MacDonald is getting close. He's up to one year's free rent on a house in Phoenix.

Not a bad return on an investment of one red paper clip. Yet MacDonald, 26, vows to keep going until he crosses the threshold of his very own home, wherever that might be.

"If you say you're going to do something and you start to do it, and people enjoy it or respect it or are entertained by it, people will step up and help you."

By BRIAN BERGSTEIN, AP Technology Writer