A Virtual Single Account system that provides a mobile user with automatic authentication and connection to a remote network via local access networks with a single password, where the local access networks may be independent of the remote network. There is a plurality of long frets connected with the top of the body directly below the upper bridge whereby the frets are distanced so as to produce sounds that are a half note apart. Sequential parts of the software program are in sequential sections. 0 wt % to 15 wt %, and most preferably from 3. For example, some embodiments are configured to extract information from a field in a digital document by identifying a block of tokens before and a block of tokens after the field from which the information is to be extracted, where both the prior block and post block are known to be associated with the field type of the field. The outer tube is designed to resist an outer pressure at least higher than 100 bar.