SQLite FTS3 and FTS4 Extensions

FTS3 and FTS4 are SQLite virtual table modules that allows users to perform full-text searches on a set of documents. The most common (and effective) way to describe full-text searches is "what Google, Yahoo, and Bing do with documents placed on the World Wide Web". 

Full-text search in SQLite.  It's like we're living in the future or something.