Martha Gabriel is a digital marketing expert who gave a presentation on search and social. The presentation covered the rise of the search era due to the explosion of online information. It discussed how search engine marketing (SEM) and search engine optimization (SEO) are used to improve search rankings. It also explained how search and social are becoming increasingly interconnected, with search results including more social media content and social networks becoming platforms for searching. Trends discussed included the growing importance of mobile search, universal search across different content types, and behavioral targeting based on user search histories.