Barry Schwartz covered the full story of Scroogle’s closing for Search Engine Land. Here’s the short version: about a week ago, Google began blocking the site. The privacy search engine, online since 2003, worked by scraping Google’s results without passing along any identifiable information or keeping any itself – thus giving users a measure of privacy they lacked when searching directly at Google itself. Getting blocked in this way might not have killed Scroogle so quickly, but the site also fell victim to a stream of distributed denial of service attacks that started back in December. W…