This event happened on January 19th, 2021.
Pedro Dias is an SEO professional and one of the few ex-Google Search Quality team members working in the field. He holds deep knowledge in Google Search and a solid experience of the Online Industry across South America and Europe. While at Google he worked not only in fighting SPAM across over 5 languages, but also in tools development, debugging search ranking issues and Webmaster outreach.
On January 19th, he took us through the differences between Google algorithms and Google penalties, and his talk can be seen in the video below:
Some slides of the presentation below: