Its impact may be such that people, especially if they are insufficiently prepared, will only with difficulty advert to it, control it, or if need be, reject it.
Kati yake, izingatiwe hasa jinsi kila chombo kinavyotenda, yaani nguvu zake za kushawishi, ambazo zaweza kuwa kubwa sana, kiasi kwamba watu, hasa kama hawajatayarishwa vya kutosha, wataweza kuzihisia na kuzitawala kwa shida tu, wala wasingeweza kuzipinga itakiwapo.