The Ticker: Big coal; Journalist engagement on Facebook; Foursquare campaigns; Aggregation; Edelman’s ‘Levels’

BNETBig Coal’s PR Breakthrough: Blame Inbreeding, Not Mining, for Birth Defects

Inside Facebook: Facebook’s Study of Journalist Page Engagement Reveals Page Post Best Practices

Mashable6 Successful Foursquare Marketing Campaigns to Learn From

GigaOmLike it or not, aggregation is part of the future of media

AdAgeEdelman Takes on Klout in Social-Influence Game; PR Firm Aims to ‘Level’ the Field Across Platforms