This isn’t helpful considering no one knows what type of news letter you want
Answer:
Google uses automated programs called spiders or crawlers, just like most search engines, to help generate its search results. Google has a large index of keywords that help determine search results. ... Google uses a trademarked algorithm called PageRank, which assigns each Web page a relevancy score.
Joseph Henry in about 1835. He is American and he made something called a relay.
Every node connects to a central network device. like a hub, switch, or computer.