Business networking Web site LinkedIn is loosening its tie. Caught between a polished image as a nexus for professional contacts and the encroachment of Facebook and other networks, LinkedIn is taking a step toward informality. Starting Sept. 26, the site's 14 million users will be able to post photos of themselves.

BusinessWeek reports.Business networking Web site LinkedIn is loosening its tie. Caught between a polished image as a nexus for professional contacts and the encroachment of Facebook and other networks, LinkedIn is taking a step toward informality. Starting Sept. 26, the site's 14 million users will be able to post photos of themselves.

BusinessWeek reports.