Online Marketing Explainer II
https://elements.envato.com/online-marketing-explainer-ii-V6MW47U
Free 
PPC (Pay Per Click) Management Promotion
https://elements.envato.com/ppc-pay-per-click-management-promotion-VHKZAR8
Free 
Explainer Video | Social Media Marketing by JBMotion on CGguy
https://elements.envato.com/explainer-video-social-media-marketing-SLJ93BP
Free 
Remarketing / Retargeting Explainer by JakubVejmola on CGguy
https://elements.envato.com/remarketing-retargeting-explainer-VKWPJ7E
Free