17. World Changes
1917 2017
Literacy Rate 23% 86%
Average Price of
a Car
$400 $35,000
Phones 8% 80%
Global
Population
1.9B 7.5B
Max Speed Limit ?
18. World Changes
1917 2017
Literacy Rate 23% 86%
Average Price of
a Car
$400 $35,000
Phones 8% 80%
Global
Population
1.9B 7.5B
Max Speed Limit 10 mph 70 mph
19. World Changes
1917 2017
Literacy Rate 23% 86%
Average Price of
a Car
$400 $35,000
Phones 8% 80%
Global
Population
1.9B 7.5B
Max Speed Limit 10 mph 70 mph
Major Tech
Invention
20. World Changes
1917 2017
Literacy Rate 23% 86%
Average Price of
a Car
$400 $35,000
Phones 8% 80%
Global
Population
1.9B 7.5B
Max Speed Limit 10 mph 70 mph
Major Tech
Invention
Toggle light
switch
?
21. World Changes
1917 2017
Literacy Rate 23% 86%
Average Price of
a Car
$400 $35,000
Phones 8% 80%
Global
Population
1.9B 7.5B
Max Speed Limit 10 mph 70 mph
Major Tech
Invention
Toggle light
switch
Gene editing