Home HubSpot Inbound Marketing Optimization True or False: 89% of marketers say video testimonials are the most effective content marketing tactic. True or False: 89% of marketers say video testimonials are the most effective content marketing tactic. personCertification Answers share Q. True or False: 89% of marketers say video testimonials are the most effective content marketing tactic. True False Facebook Twitter Whatsapp Newer Older