The first obstacle is the complexity. The technologies, the human body and the interaction of the two elements are so complex that it is particularly difficult to provide information that covers all the necessary aspects.
Kikwazo cha kwanza ni utata. Teknolojia, mwili wa mwanadamu na mwingiliano wa vitu hivi viwili ni ngumu sana hivi kwamba ni ngumu sana kutoa habari ambayo inashughulikia mambo yote muhimu.