I got my wife a Roomba vacuum robot 6 or 7 years ago. She admitted to me that at first she thought it was a waste of money. But after using it for a day or two, she changed her mind completely. We set it up to clean the first floor of our house at night. We just got a Neato BotVac series one this week. It's a big improvement over the older Roomba.We still run the upright vacuum cleaner every couple of weeks. But in a house with three large dogs, it would be a daily chore w/o the robot vacuums. It's not Rosie the robot, but they are a time saver for us.
I think my daughter was a little disappointed. She was expecting to be able to have a conversation with the Roomba one. Or at least R2D2 level of responses.