Ethical dilemmas in the age of AI

In the age of AI, how can we live with artificially intelligent machines and robots that may become more intelligent than us? An AI machine can be a computer or smart device; it can also be known as a robot that, with or without appendages, can emulate human life physically. There are still so many unanswered questions. How can we coexist comfortably and conveniently if one day, the machines we have created decide to think for themselves? Do you believe in technological singularity, and is it near?