possible glitch in the pc version of the software
I use my ipod touch and my windows pc for duolingo. There seems to be a glitch on the windows version of the duolingo software. The ipod touch has sound effect when you have the right answer and a different one when you have the wrong answer. On the pc there are no sound effects! Also on the ipod there is there is a sound effect when you lose 3 hearts and get the crying owl. On the pc it is quiet and it just says: ¡Ay! You are out of hearts... without any sound effect. It would be helpful to incorporate these sound effects into the pc version of the software.
Another suggestion, sometime I want to go back one screen, because I messed up and want to take a second look, so see what I missed– I wish there was a way to do so.