"The newer skis need a different style of sking. The old straighter, longer skis were the type that you could 'jump' parallel turn, the newer parabolic type need to stay firmly on the ground, so are edged round, with both skis having contact on the snow. However on the steeps and deeps, I still jump them round slightly."
You used to ski very badly then, as it has always been possible to carve skis and you can only do that keeping them on the ground. You are also using the wrong technique off piste today, unless your talking about skiing slopes 50 degrees or so plus...
All that modern skis have done has made it easier for avergae skiers to carve turns, as the ski does most of the work for you. Older skis required you to drive the ski a bit more and think about it.

