Heidi Gutman/NBCUniversal via Getty ImagesĪpollo is planning to sell Notified, one of the biggest PR software companies Tips, comments, suggestions? Drop me a line at or on Twitter at © Heidi Gutman/NBCUniversal via Getty Images If this email was forwarded to you, sign up here for your daily insider's guide to advertising and media. PE firm Innovatus Capital eyes ad agencies.I'm senior advertising reporter Lauren Johnson, and here's what's going on: Good morning and welcome to Insider Advertising for March 18.