I think harm. Humanity has passed the stage when progress has brought more benefit. It's probably for Western Europe can be defined as the beginning of the twentieth century (before 1st world war). Already there are new drugs, facilities in the apartments and houses, theories about nutrition, physical development. Then worse and worse. On the background of individual achievements (such as penicillin) - a whole bunch of bad - poisoning of the atmosphere, nuclear contamination, chemical, food (especially food additives). Still do not know what is in store for people food with GMOs and cloning themselves. Yet, by the way, radiation is not said its last word....Kids go blue, die in physical education classes....Horror. What kind of utility progress you can tell? No wonder the super-rich have already been buying my own island in the ocean. There is at least more or less good environment. Although acid rain is probably falling already and there...