
Links:
[1] http://www.maximumpc.com/user/jcbarry
[2] http://bits.blogs.nytimes.com/2009/10/14/diggs-vote-for-ads-experiment-is-raising-revenue/?ref=technology
[3] http://www.maximumpc.com/article/news/study_display_ad_clickthroughs_decline
[4] http://www.maximumpc.com/article/news/skype_tacks_clicktocall_ads
[5] http://www.maximumpc.com/article/news/bing_manages_surpass_digg_twitter_and_cnn_traffic_numbers
[6] http://www.maximumpc.com/tags/ads
[7] http://www.maximumpc.com/tags/clickthrough_rate
[8] http://www.maximumpc.com/tags/digg
[9] http://www.maximumpc.com/tags/revenue
[10] http://www.maximumpc.com/articles/news
[11] http://www.maximumpc.com/user/login?&commentfragment=comments_top_anchor