1. A system for sourcing aquatic effort data, the system comprising: an electronic GPS mapping computer associated with a first watercraft, the electronic GPS mapping computer having a processor, a display and being in communication with a sonar device of the first watercraft, the electronic GPS mapping computer obtaining current aquatic effort data, wherein the current aquatic effort data includes at least a current position and current sonar information of the sonar device of the first watercraft, wherein the electronic GPS mapping computer obtains prior aquatic effort data and displays the prior aquatic effort data in a map of the electronic GPS mapping computer, wherein the prior aquatic effort data includes at least one member of a group consisting of: angling rules, angling limits, restaurant information, hotel information, dam reports, water discharge reports, moon phase reports, tide information, weather reports, ocean reports, aquatic text data, aquatic picture data, aquatic video data, and lake reports, wherein an update is provided to the prior aquatic effort data, and an internet based mapping service, wherein the internet based mapping service receives the update to the prior aquatic effort data; and a second computing device associated with a second watercraft, the second computing device having a processor and a display, the second computing device having access to the update of the internet based mapping service.