Method, computer device and software for calculating a corrected temporal variation depth or a corrected relative temporal variation depth of a first body wave based on a second body wave. The peak portions include shorter peak portions and longer peak portions. The vegetation is vigorous and a spreading growth habit is displayed. The ARILS can be configured to provide a data response that includes augmented reality item data to the network-enabled mobile computing device. A reduced diameter front wheel is provided to accommodate rotational clearance of the front pedals thereby allowing two riders to ride on bicycle frame with a length common to single rider bicycle.