Positive and negative comments in groups on social network sites, such as [tag]Facebook[/tag], [tag]Flickr [/tag]and [tag]MySpace[/tag] reveal [tag]Disney[/tag], [tag]Nintendo[/tag] and [tag]Google[/tag] are the most popular brands. This comes from our latest research, [tag]Brands in Social Media[/tag]. [tag]Social networking[/tag] groups are proving very popular in the UK. They are a…