1. BERT represents a major update from Google to improve natural language understanding in search using deep bidirectional transformers. 2. BERT will help Google better understand the meaning of words in context with all linguistic nuances. It is being applied to improve over 10% of searches. 3. Speakers discuss how BERT may impact SEO, with possibilities for optimization, and the need for search marketing strategies that satisfy user intent with valuable information through structures like FAQ pages.