Starting from the year 0, [I] might be able to advance civilzation to the 17th or even 19th century. [I am] technologically useful.

I scored 7 out of 10 on the ‘If I were sent back to the year 0 how technologically useful would I be?’ quiz (though slightly embarrassingly I’m not 100% sure which ones I got wrong), and as Jason says inventing new technologies isn’t multiple choice. And I’d probably succumb to the local equivalent of the common cold. Or inadvertently start a plague. Or be burnt as a witch.

Everything you wanted to know in the event you end up in the past but were afraid to ask.

10 Helpful suggestions for killing John Connor.

My personal favourites have to be:

3) Use the Time Machine to Cheat

…John will say “Well, Terminator, I’ll just make sure my future self sends someone back in time to set up a bucket to drop on your head!” Then the Terminator has a bucket dropped on it’s head with the words “Wild Stallyns Rule” written on it, and oh, isn’t Skynet embarrassed! Excellent!

And of course:

2) Have the Terminators Step in Front of his Lighting

John Connor hates that shit.