text: self driving cars are the way to a better and more safe future, they dont have the human error that accounts for 90% of all wrecks that happen on the road today. they are more effect for taxes sake causing our taxes to go to something you might actually want funded like school, the possiblities are endless. lastly they are just going to save you money, tax subsides from the Goverment, insurance isnt required anymore, and it saves you time allowing you to do what you really want to do with our day. Just like the old saying "time is money" are these cars will save you a lot of both.I think the rock that landed in mars was meybe because it had came from a diffrent place or maybe because the rock was to old or to heavy. The rock may have move to Mars or landed in Mars maybe because something hit it and it just went to a diffrent place and it landed in Mars.