Sharing photos is one of the most popular options for Facebook users. More than 100 million people are tagged in photos each day the Facebook blog posted proudly in December when Facebook made photo tagging easier with facial recognition software that suggests people's name to tag in photos. The software groups similar photos together with suggested names of friends who have been tagged previously. If you love posting pictures, this is a handy feature, but if you didn't want to be tagged? Too bad, so sad as the burden to untag yourself is on you.

Worse, still, if you don't want to be part of Facebook ... this feature alone could more-or-less "force" you into joining. That's because the only way to control if your photographed identity appears on the social networking site, is to have an account that sets privacy settings.

More: http://www.pcworld.com/article/217022/