Me too, actually. There is a subset of the population that insists on misusing language, and the effect is that the meaning of words becomes diluted, confusing,

Me too, actually. There is a subset of the population that insists on misusing language, and the effect is that the meaning of words becomes diluted, confusing, leading to misunderstandings and horrendous flame wars. It's just senseless. What I don't understand is how it is possible that bacteria could so rapidly evolve a microphone and radio transmitter. What evolutionary pressures could have caused that?