Good.iWare has released an update to its popular GoodReader document reader for iPhone and iPod touch devices adding iOS 4 compatibility. GoodReader 2.8.2 adds support for new features found in iOS 4 including USB file transfer, video output and Fast App Switching. The update additionally provides the ability to open documents in GoodReader from other supported apps such as Mail and Safari as well as sending documents from GoodReader into other applications that support Document Interchange. Other new features include the ability to crop margins for PDF files to save screen space, horizontal or vertical swiping of PDF pages and pre-caching of PDF pages for improved page turning performance. Users can now also import recorded videos from the iPhone 3GS or iPhone 4 photo library. GoodReader for iPhone is available from the App Store for $1 and is a free update for current users. A free GoodReader Lite version is also available providing all of the features of the full version with a five-document storage limit.