iPhone developer David Muzi has released an update to his Trackr RSS and web reader app, adding support for local file storage and synchronization of stored files to iTunes over USB. The update also now allows files to be previewed directly within the app and adds new social networking services for sharing links to Facebook, Twitter, Instapaper, Read It Later, Google Reader, Delicious and more. Trackr allows users to read RSS feeds and web sites on…
