Remember dial-up, Palm Pilots and getting your film developed? Three things that some of us never thought would go away. But thanks to routers, the iPhone and digital cameras we will never hear that comforting dialing sound followed by the beeps and high pitched tone. Personally , I don't miss that at all- but fax machines? Whoever thought they'd go away?
Check out all 21 of the business tools from the Business Insider that once changed the work landscape and now are museum pieces.