Summary: On July 15, Yahoo will start taking the usernames of inactive accounts -- accounts that haven't been used in a year -- and letting others claim them. It's a way for Yahoo to make available some desirable usernames and entice people to return to the site. But with e-mail addresses tied to other accounts and password retrieval, there could be security problems. CNET's Kara Tsuboi explains how Yahoo is planning to protect users' information.
