"Tagging is something selfishly useful. It helps you understand and categorize something for yourself,” - David Sifry, Founder of Technorati, 'Tags' Ease Sifting of Digital Data
"Discovery systems empower users to uncover alternative paths and related resources on their information journey" - Ellyssa Kroski, The Hive Mind: Folksonomies and User-Based Tagging
"When I go to Flickr and I tag people’s photos, it’s to show them that I care. It’s like a hug" - Jane McGonigal, from the article: Grassroots ‘taste makers’ define opinions

