How did this change the world? ('used to' / 'usually') [+] [–]
TV
How did this change the world? ('used to' / 'usually') [+] [–]
low-cost flights
How did this change the world? ('used to' / 'usually') [+] [–]
email
How did this change the world? ('used to' / 'usually') [+] [–]
Google
How did this change the world? ('used to' / 'usually') [+] [–]
the refrigerator
How did this change the world? ('used to' / 'usually') [+] [–]
Mp3 Players
How did this change the world? ('used to' / 'usually') [+] [–]
the electric light
How did this change the world? ('used to' / 'usually') [+] [–]
GPS
How did this change the world? ('used to' / 'usually') [+] [–]
the car
How did this change the world? ('used to' / 'usually') [+] [–]
cell phones
How did this change the world? ('used to' / 'usually') [+] [–]
digital cameras
How did this change the world? ('used to' / 'usually') [+] [–]
ATMs