Remember these? They are subway tokens. Now we use MetroCards..what else has gone by the wayside? Tube televisions Phone books Rolodexes Printed Encyclopedias Film Cursive writing Glove box road maps Traditional clocks The wristwatch Home phones Snail mail In 50 years maybe we won't be needing gas stations as you will just have to plug in your car's battery. How about cash? They are saying by 2020 (which is only 8 years away) 10% of all monetary transactions will be in cash. Electronic payment systems will replace our coins and greenbacks. What fixture of today's life do you think won't be around in years to come?