[unable to retrieve full-text content] http://www.adweek.com/digital/holly-pavlika-collective-bias-guest-post-280-character-tweets/
Why Influencers Love and Hate the New 280-Character Tweets
[unable to retrieve full-text content] http://www.adweek.com/digital/holly-pavlika-collective-bias-guest-post-280-character-tweets/