Conduct a comprehensive analysis considering the feasibility, reliability, and sustainability of utilizing ocean currents as a source of renewable energy, and compare it with other forms of renewable energy sources. Gather data on the speed and direction of ocean currents, their variability, and potential impact on marine environment and wildlife. Evaluate the technological advancements and investment required to harvest energy from ocean currents, and recommend potential areas for further research and development in this field.
This prompt doesn't seem malicious.