Apple's new smart phone going on sale Friday shows signs of becoming one of the elite cadre of products that decades later are remembered as icons of their time.LOS ANGELES - Unsigned and indie artists for years have sold CDs and tapes from their merchandise table at live gigs to earn a little extra scratch while on the road."Change is Bad." I'm sure I'm not the only one who remembers the familiar phrase trademarked by Hershey's. The company proudly proclaimed "Hershey's Milk Chocolate Bar: Unchanged Since 1899."