Yup. Not only you can do it with your eyes closed, you can also easily go all the way up or down quickly, and it's more granular than button controls. I genera

Yup. Not only you can do it with your eyes closed, you can also easily go all the way up or down quickly, and it's more granular than button controls. I generally despise button controls for things that could be continuous. I hated it when they replaced the volume control in many car radios (http://media.gettyimages.com/photos/radio-volume-picture-id174624087?s=170667a http://media.gettyimages.com/photos/radio-volume-picture-id1...).