Functionally, the trackpad with the best thing I've ever served. The area is so big that you can work very precisely. A major disadvantage is that the switching rocker works only on hard surfaces. The rocker springs against the two small rubber feet. This makes these small pads to press into the soft surface and so the switching function's more, copying, marking, etc. does not work anymore.
Because I'd love to work with it on the sofa, I do not on a board, o. Similar. want to lay, it comes back again. Too bad that Apple has not thought couch potatoes here to us. Also, the panel design is not very ergonomic, because you have to lift your fingers severely, so that fatigue occurring after prolonged use in the fingers.