Robotics is not progressing as expected and is not entering in our households as quickly as some would have planned. Moreover most of the scenarios shown in research seem not realistic: humanoid robots in the kitchen or large devices moving around and acting with arms in a environment made for humans are not realistic both…

This BBC article is extremely interesting, showing some major problems of the Japanese approach to robotics: http://www.bbc.co.uk/news/business-12347219