Mumbrellacast: Untrustworthy brands, untrained marketers, and unrest in the out-of-home industry

On this week’s Mumbrellacast, Roy Morgan CEO Michele Levine joins the team to discuss a variety of topics, including her company’s latest survey, which saw Optus pass Woolworths as Australia’s most distrusted brand — quite a dubious honour, indeed.

There’s a Paul Kelly lyric I…