The Ticker: HuffPo PR Out; Fab PR Out; Vine Sports; Twitter Wall Street; Rio Prep Fail

Capital New York: Perri Dorset Leaves HuffPo PR Team After Short Stint

Re/code: Fab PR Head Deborah Roth Has Left the Company

The Sporting News: How Instagram and Vine Are Creeping into Sports Teams’ ‘DNA’

Reuters: Wall Street Remains Split on Twitter’s Prospects

Business Insider: Olympic Official Calls Rio Prep ‘Worst I Have Ever Seen’