Oxymoron?

I read an ad in Glamour that says "state-of-the-art, vintage technology."

I guess that's possible if the state of the art hasn't changed, but...

Is this an oxymoron? Or, does it just not make sense?

Carbon Footprint Calculator

Carbon Footprint Calculator -- from IEEE, not sponsored by someone selling carbon offsets. I haven't played yet because I don't have access to my electric bills, but I will.