the greatest degree of development at a certain time (especially today's time)
1961, from noun term (1816), from condition (n.1) + art (letter.).
State-of-the-art is a term always explain a gadget or technology this is the most recent and greatest. This term is often familiar with explain some type of computer or product which is for the newest generation.
And yet the future I envision is no more like what we have today than a state-of-the-art Volvo factory is like a nineteenth-century London sweatshop.