add date guessing and technorati auth score -- still testing
updated user_click
added several article features
added API request throttling
minor updates
minor updates
links point to redirector
ad_url updated
added excludes for webpages
minor updates
changed to 4 news articles and 4 webpages
initial commit
enrich with SO and Twitter
change news download directory
testing: add to Mongo
fixed SO tag download - get only tag names
small correction: two return values
generate wordclouds for each user
add delicious API
minor changes