"the results imply that current robot technology is surprisingly close to achieving [sustained] autonomous bonding and socialization with human toddlers."And the future is already here! Have a look yourself
http://sciencenow.sciencemag.org/cgi/content/full/2007/1105/2
http://www.trendirama.tv/video/119082-introducing-zeno.html
http://www.trendirama.tv/video/7473--invertuality-a-message-from-jules.html
And finally, have a look at this article (a joke, or not a joke anymore?) from Wired:
10 reasons I'd rather marry a robot
