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Jan 28, 2021 at 6:00 comment added Loren Pechtel Fundamentally, all of these are examples of valuable information. Why not just say "information"?
Oct 17, 2015 at 15:57 comment added Matthieu M. According to the Butterfly Effect, your very arrival from the future might have unpredictable effects, such as changing the future, and therefore setting up a different time stream, from which you know... (close to) nothing.
Oct 16, 2015 at 23:22 comment added ChrisLively @JPhi1618: When someone loses money on the stock market, someone else is making it. It's not exactly a zero sum game, but it's pretty close. Which means, if the time traveler shorts Volkswagen then they are in effect taking money from someone elses pocket. Which might have pretty serious consequences for the future.
Oct 16, 2015 at 15:00 comment added MD-Tech slightly fewer spoilers and less facetiously you don't win the MAIN prize on one lottery you win minor prizes on many.
Oct 16, 2015 at 14:57 comment added MD-Tech but in the future you always won the lottery. Did the Doctor write it or did Beethoven?
Oct 16, 2015 at 14:57 comment added JPhi1618 @MD-Tech, You winning the lottery prevents someone else from winning it (or winning as much), so the affects on history can be very large for the would-be winner and their entire family tree.
Oct 16, 2015 at 14:55 comment added JPhi1618 @Kii, If you know that Volkswagen stock is about to tank because they cheated on diesel emissions, it's possible to set up a trading strategy to make a ton of money without affecting anyone else. A few large trades might affect stock prices a little, but it's a pretty "safe" way to make money because the effect on others is so small.
Oct 16, 2015 at 14:09 comment added Jim2B Also, use science whenever possible but don't let science interfere with a good story. It is, after all, fiction...
Oct 16, 2015 at 14:08 comment added Jim2B There are many different thoughts on how time travel might work and how it would affect causality. Some of those thoughts are that what you do "has already happened". Parallel universe ides postulate a change causes a new reality to twain from the original timeline. IOW, we don't know how this would work. Your thoughts on how it would work (grandfather paradox) is only one possibility. More reading: en.wikipedia.org/wiki/Causal_loop
Oct 16, 2015 at 14:00 comment added Kii I cannot agree with this "The Market knowing when the market is going to tank or soar." This is such a chaos to predict that if someone have that knowledge then that would affect the course of events.
Oct 16, 2015 at 13:44 comment added Erik @colmde anything you do might affect you being born.
Oct 16, 2015 at 13:30 comment added coredump @2012rcampion Technically, you carry those things inside of you.
Oct 16, 2015 at 13:06 history edited Jim2B CC BY-SA 3.0
Improved formating
Oct 16, 2015 at 12:15 comment added komodosp @Erik saving anyone's life might affect you being born!
Oct 16, 2015 at 12:11 comment added MD-Tech you may also want to add lottery numbers to that list - acquiring the price of a lottery ticket would be quite easy.
Oct 16, 2015 at 7:22 comment added Erik Also, what day to not be in Hiroshima.
Oct 16, 2015 at 4:44 comment added 2012rcampion This also avoids the problem of having to carry things inside of you.
Oct 16, 2015 at 1:55 history answered Jim2B CC BY-SA 3.0