14.
Effects of stimulants on a society.
130 views, 6 points, 0 comments · by dk about 2 months ago
16.
Invent a global digital government.
215 views, 4 points, 0 comments · by dk about 2 months ago
19.
Suppose everyone is rich
408 views, 4 points, 1 comment · by dk about 1 month ago