Interesting. I wonder if Swiftype uses Apache Lucene/Solr/Nutch as backend. Facebook is listed as Client. They have a contract with Microsoft (Bing) and have a

Interesting. I wonder if Swiftype uses Apache Lucene/Solr/Nutch as backend. Facebook is listed as Client. They have a contract with Microsoft (Bing) and have at least two internal search engines. One of them is the type-ahead one as explained there: https://blog.facebook.com/blog.php?post=369584442130 https://blog.facebook.com/blog.php?post=369584442130 https://www.facebook.com/note.php?note_id=389105248919 https://www.facebook.com/note.php?note_id=389105248919 I assume FB uses Swiftype not for the main FB website, maybe the developer documentation or some PR sites. (They use(d) even some SharePoint sites for business pages). EDIT: Yes, Swiftype is based on Lucene et al: http://www.quora.com/Swiftype/What-is-the-technology-stack-behind-Swiftype http://www.quora.com/Swiftype/What-is-the-technology-stack-b...