Entrepreneurs: Newsmakers

Jenn Zieser sold her first custom T- shirt on CafePress Inc. for fun in 2006. She now makes about $25,000 a year from the site, more than at her regular job.

Last December, John Hartzog, a test- center administrator at Florida Gateway College in Lake City, Fla., replaced the paper and pencils at 38 test stations with notebook-size plastic devices called Boogie Boards. His experiment: try to cut costs with the new technology.

In late 2009, Fleet Advantage beat three established truck-leasing companies in a bid to replace and manage the 1,500 trailers Costco Wholesale (COST) uses to carry food, electronics, and household goods to its more than 400 stores across the U.S.