Michael Ash has released LiveDictionary 1.0, a Safari extension that adds fast, convenient dictionary lookups to the Web. “Once installed, it becomes a transparent part of Safari; point to a word with the mouse cursor, and its definition or translation appears in a popup window.” The extension offers a wide variety of dictionaries for technical terms, general language, and bilingual usage. LiveDictionary requires Mac OS X 10.3 and is priced at US$25.