1. A full copy of the glossary is stored on the device. When an Internet connection is not available, the app displays definitions from the off-line glossary.2. Tablet aware. When using the app on an iPad in landscape mode, the app displays both the index of terms side-by-side with term definitions.3. When viewing a term, all definitions for the term are shown on one page.4. In addition to English terms, Oilfield Glossary now also contains a Spanish glossary.5. Glossary content has been updated with new terms and improved, updated definitions for existing terms.6. The user interface has been streamlined and simplified.