I think you are unaware how marketing works (the whole power saving competition from both Microsoft and Opera is just marketing). Essentially they did some pow

I think you are unaware how marketing works (the whole power saving competition from both Microsoft and Opera is just marketing). Essentially they did some power saving improvements and want to create a bit of noise about it to increase their popularity. It's kind of same as how Apple, Google etc announce new features/products before you even can use them.