REMOTE COMMUNICATIONS

Materials on which we write or send messages.

1)  Cave walls  40,000 years ago

2)  Stone or slate tablets  5,200 years ago

3)  Clay pottery   5,000 years ago

4)  Papyrus   5,000 years ago       

5)  Parchment   4,500 years ago       

6)  Bamboo / wood strips   2,500 years ago

7)  Paper   1,900 years ago                         

8)  Electronic  memory   30 years ago

9)  ? 

When will we make the next big quantum leap?  To what will it be?  Have you heard of mental telepathy?  Okay, I'm thinking of a number and a color and an animal.  Who thinks they are receiving  my brainwaves?