Optimized Webmedia Marketing’s Podcast: Digital Marketing News Updates In 2019: Today’s episode we go into the following topics: 15 Important Conversion Metrics & Business KPIs You Should Track (Search Engine Journal); Twitter Releases its Official Marketing Calendar for 2019 (Search Engine Journal); Ad testing in a multi-format world of responsive search ads, three headlines and more (Search Engine Land); Twitter Publisher Dashboard Improves Audience Insights (Social Media Examiner); Voice search optimization guide: Six steps for 2019 (Search Engine Watch).