A buggy is like a car, but drawn by a horse.

Radio is like TV, but with no picture, only sound.

A letter is like email, but written on paper and delivered in days or weeks.

The Encyclopedia Britannica is like Wikipedia, but printed in 26 volumes, and occupies half a room.

A telegram is like SMS, but you need to send it from the telegraph office.

A newspaper is like Google News, but is only updated once a day.

TV is like YouTube, but you can only watch what’s playing right now.

A Victrola is like an iPod, but with fewer songs and lower fidelity.