Keyphrases
- social networking
- social networks
- social media
- spam filtering
- crowd sourcing
- user behavior
- email messages
- personal information
- enron email
- social networking sites
- data collection
- social bookmarking
- online social networks
- emerging trends
- social software
- social activities
- instant messaging
- social web
- mobile communication
- mashup
- collective intelligence
- informal learning
- online communities
- spam detection
- anti spam
- content sharing
- social networking services
- mailing lists