I have seen the progress in technology throughout the years with my vest machine. When I was sixteen and first started using the machine it weighed 110 pounds and looked like this:

It came up to my waist and was difficult to move. A couple years later the newer model was available weighing 35 pounds. What a glorious day when that arrived on my door step. It actually weighed less then I did! Being able to travel on a plane or spend a night away from home was a dream to a lot of CF patients but was now possible. This machine looks like:

These days therapy machines look like an old boombox and only weigh 17 pounds. Advancements sure have made life with CF easier and more convenient!