CNN  —  The very basic meaning of what it means to ” Google” something – typing in keywords and sifting through links, images and information snippets is nearly behind us, according to Google. The search giant laid out its vision for the future of searching the web on Tuesday, introducing a flurry of updates that aim to shift Google’s ubiquitous search engine from being a box for processing keywords to a system of “digital agents” that can crawl the web and answer questions based on a person’s