3
1.
Jos 3 year s ago
#25 Smart traffic lights already exist. They’re not perfect, but they do a pretty good job.
0
2.
Rich 3 year s ago
Jos,
the main hurdle being the costs
the main hurdle being the costs
1
3.
Mees 3 year s ago
IQ tests for permission to have children. 8 billion and counting. most are dumb and useless. especially my ex :)
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4.
Rella 3 year s ago
#12 if domeone is hotter than you then you are cooler than them Basic physics. 
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5.
Elmira 3 year s ago
#20 Make that 5 bucks per character typed in.
the main hurdle being the costs