A streamlined amphibious, catamaran yacht is provided that may serve military or civilian purposes as a passenger or cargo carrying truck, limousine, bus, motor home or recreational vehicle on land, and extend those same functions on water, while matching the functionality and performance of similar length boats. In this way, parts of the recognized text and the spoken text that have already been reproduced once can be acoustically or visually marked, and different parts can be reproduced depending on whether reproduction takes place for the first time or is repeated. The downloaded web page content is then processed using said specified algorithm to generate a second signature, and said first and second signatures are compared and the differences therebetween quantified.