It’s that time of year again to take a chunk of your budget and reserve some tickets for the best social media marketing conference in the country, Social Media Marketing World. Who’s Speaking at Social Media Marketing World? A small sampling of our expert speakers for 2019 include Mari Smith (leading Facebook expert), Jay Baer (social customer service authority), Michael Stelzner (Social Media Examiner’s founder), Ann Handley (MarketingProfs’ chief content officer), Amy Porterfield (online marketing pro),