As they sadly share photographs of missing loved ones, they worry about their own safety.
Former officials said it is likely Hezbollah has already shared photographs of the case officers with Iran, its closest ally.
The new procedures call for the agencies to share photographs, fingerprints and other identifying information, as well as criminal histories.
Many sites have made it easier than ever to share photographs, including Photolog.net and Flickr.com, which was recently bought by Yahoo.
Enthusiasts share photographs of their work and other types of dolls on the Internet.
A popular Web site for users to share personal photographs, the service receives wide use by bloggers as a photo repository.
Sharing photographs with Exif information may present privacy problems such as revealing a location.
Microsoft explains that e-mail is one of the most widely-used ways of sharing photographs.
A Facebook page allowed Nancy fans to share their artwork, photographs, and sentiments about the character.
In addition to being a Web site for users to share personal photographs, the service was used by bloggers as a photo repository.