You’ve read all of your free items this month. To register, get added benefits and unlimited access to articles, Become a Member. Already a Member? Sign in. Advertising Age Article Abstract Rewind: The Days When Radio Shack Hawked Brick Cellphones for $799 Mobile Technology Has Come a Long, Long Way -- and It's Gotten a Heck of a Lot Cheaper By Rupal Parekh, Published on September 19, 2012 0 Want more Access, Content & Connections? Upgrade to Membership. We are glad you are enjoying Advertising Age. To get uninterrupted access and additional benefits, become a member today. Become a Member Already a member? Log in.