Mark is director of SEO agency Candour, Founder of SaaS tool AlsoAsked, and has been involved in SEO for over 20 years, with experience running everything from e-commerce businesses to affiliate sites. He is most known for unveiling one of the largest ever Google search exploits and publishing "unsolicited" #SEO tips on LinkedIn. He recently founded the new cats.txt internet standard and when not working on sites, is doing the Search with Candour podcast, the Core Updates SEO newsletter, or scuba diving.