it's like a deep drop shot... my slice hits the ground and just stops there waiting to get smacked...whereas others hit the ground and jump at you, making it harder to hit back. Not that it's all bad, having people generate their own power/spin is nice. Also, often strangers can get surprised as they wait for the ball to jump at them, but instead just stop dead. It's not a big or important problem as I do have many other things to work on, but it's a bit annoying. some of the most effective slices come from a couple of old guys I recently rallied against. They play with some light oversized racquets...low slice or high slice...they hit the ground and jump toward you hard, it's nice. Maybe I should wait until I get older?