The document summarizes the speaker's experience at ApacheCon NA 2011. It discusses several keynotes and sessions attended, including talks on building secure software, the success of Hadoop, Watson's use of Apache technologies, and new features in Lucene 4.0 like improved performance through UTF8 encoding and faster querying through new query types and indexing approaches. The document also mentions several projects that build user interfaces and experiences on top of Solr, like Prism, Blacklight, TwigKit, and Ajax Solr.