Facebook "pruning" an increasing craze, claims study

Are your social networking friends really real friends? A new study seems to suggest that, for most of us, they are not. Facebook "defriending," post-deleting and photo tag removals appear to be escalating trends on the site. Article resource: Facebook "defriending" on the rise

Friends you do not want to friend

The study, released Friday by the Pew Internet and American Life Project, claims 63 percent of Facebook customers have unfriended other customers. Another 44 percent admit to deleting comments made by others. Thirty-seven percent have deleted tags on photographs. Pew calls the trend "pruning."