The Ticker: Newswire Hacked; Social Referrals; Omnicom Slips; Crisis Questions; LinkedIn Promo Fail

KrebsOnSecurity: PR Newswire Got Hacked in March

Marketing Pilgrim: For Social Media Referrals, Facebook and Pinterest Leave Others in the Dust

The Wall Street Journal: Omnicom Blames Earnings Drop on Merger Costs

Mr. Media Training: Three Questions to Ask in Every Crisis

SocialTimes: How NOT to Promote Your New Book on LinkedIn