Kathleen Hanna and Tom Morello are among a number of musicians protesting new Amazon palm scanners at music venues.The technology, recently implemented “as a form of “convenient” ticketless entry” at a number of US venues including the famous Red Rocks Amphitheater in Colorado, is “an example of biometric data collection, and could turn Red Rocks into the site of ICE raids, police violence, and false arrests,” the letter states.On a new website called Amazon Doesn’t Rock, the likes of DIIV,