Keyphrases
- online social
- content sharing
- social networking sites
- digital media
- social networks
- mobile internet
- bulletin board
- user communities
- internet users
- multimedia
- multimedia content
- rich media
- user generated content
- collective knowledge
- virtual communities
- file sharing
- information retrieval
- social media
- digital resources
- peer to peer
- web information
- internet technology
- social web
- complex networks
- online communities
- information overload