Robot companions for old people are going to become very popular in the future. There are already a bunch of companies working on them. CT Asia Robotics is one of many companies that will mass produce robots to help elderly people. Dinsow will be available for $2,500. It can communicate with people, remind them to take medication, and alert a caregiver if the user has not moved in a while.
These robots will be available in Japan and Thailand for now. More info is available here.