Explains how Google rewrites search queries using semantic clustering, user context, location and word2vec, and what that means for keyword-driven SEO.
Search Engine Land's guide to search engine optimization, covering how search engines work, ranking factors, and the on-page, technical and off-page sides of the practice.
A few weeks ago someone sent me a link to the BuzzSumo website. It is a gold mine of data regarding what content is the most shared across any topic. Cha-Ching.