Communication
What can we send today — e-mails or horses?
e-mails
Can we watch news on TV today? Yes / NO
Yes
Long ago, did people walk? YES / NO
Yes
Letters go by airplane — then or now?
now
Long ago, what did people write?
Did people have computers long ago? YES / NO
NO
Was travel slow or fast long ago?
Slow
People used horse and cart — then or now?
Then
What carried letters long ago — a horse or an airplane?
a horse
Where did people listen to news long ago?
On the radio
What did people use today to travel long ago?
Cart and horse
News on the Internet — then or now?
Now