twitter
- api
- 140 char analysis
facebook
- api
- graph connections
linkedin
- api
- clustering
google+
- api
- TF-IDF
web pages & NLP
mailboxes
- mail corpus
- enron corpus
- time series trends
- your own mail data
github
- api
- property graphs
- interest graphs
semantic web
- microformats
- semantic markup
- semantic web
twitter cookbook
oauth primer