i was reading about the problem in replacing wiper blades. a trick i learned when i was a honda service manager eons ago was to wipe the blades with a damp cloth of carb or brake cleaner until you get most of the oxidized rubber off. at this point slide your finger up and down the blade and notice how much softer and pliable the rubber is. then dress the blade once or twice with a rubber conditioner like armor-all etc allowing it to absorb/dry between applications. i can usually get wipers to last a year or so.